Ben Stiller all smiles with ex Christine Taylor and daughter Ella at US Open: Pics

Ben Stiller and his estranged wife, Christine Taylor, are spending time together as a family.

On Wednesday, 52-year-old Stiller and 47-year-old Taylor were snapped watching day three of the US Open in New York City with their 16-year-old daughter, Ella. Stiller and Taylor split last May after 17 years of marriage, and also share 13-year-old son Quinlin together. 

Ella has largely remained out of the public eye. Last October, the actor made a rare appearance with his eldest child at the 55th New York Film Festival for the premiere of his film, The Meyerowitz Stories (New and Selected).

Meanwhile, Stiller was clearly into the tennis match on Wednesday, clapping and pointing as Ella hilariously appeared unimpressed. 

See photos from their outing below:

11 PHOTOS
Ben Stiller, Christine Taylor and daughter Ella Stiller
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Ben Stiller, Christine Taylor and daughter Ella Stiller
NEW YORK, NY - AUGUST 29: Ben Stiller, Christine Taylor and their daughter Ella Stiller attend day 3 of the 2018 tennis US Open on Arthur Ashe stadium at the USTA Billie Jean King National Tennis Center on August 29, 2018 in Flushing Meadows, Queens, New York City. (Photo by Jean Catuffe/GC Images)
NEW YORK, NY - AUGUST 29: Ben Stiller, Christine Taylor and their daughter Ella Stiller attend day 3 of the 2018 tennis US Open on Arthur Ashe stadium at the USTA Billie Jean King National Tennis Center on August 29, 2018 in Flushing Meadows, Queens, New York City. (Photo by Jean Catuffe/GC Images)
NEW YORK, NY - APRIL 17: (L-R) Ben Stiller, Andy Karl, Ella Stiller and Christine Taylor pose at the opening night after party for the musical based on the film 'Groundhog Day' on Broadway at Gotham Hall on April 17, 2017 in New York City. (Photo by Bruce Glikas/Bruce Glikas/FilmMagic)
NEW YORK, NY - APRIL 17: Christine Taylor, Ella Olivia Stiller, and Ben Stiller attend the 'Groundhog Day' Broadway Opening Night at August Wilson Theatre on April 17, 2017 in New York City. (Photo by Jimi Celeste/Patrick McMullan via Getty Images)
NEW YORK, NY - MAY 12: (L-R) Ben Stiller, Christine Taylor and daughter Ella Olivia Stiller pose backstage at the hit musical based on the cult film 'American Psycho' on Broadway at The Schoenfeld Theatre on May 12, 2016 in New York, New York. (Photo by Bruce Glikas/Bruce Glikas/FilmMagic)
NEW YORK, NY - FEBRUARY 09: (L-R)Quinlin Stiller, Ben Stiller, Christine Taylor and Ella Stiller attend the 'Zoolander 2' World Premiere at Alice Tully Hall on February 9, 2016 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
NEW YORK, NY - APRIL 15: Ben Stiller, Ella Stiller, Christine Taylor attend 'Little Boxes' Premiere - 2016 Tribeca Film Festival at Chelsea Bow Tie Cinemas on April 15, 2016 in New York City. (Photo by Astrid Stawiarz/Getty Images for Tribeca Film Festival)
NEW YORK, NY - AUGUST 31: Ben Stiller, Ella Olivia Stiller and Christine Joan Taylor-Stiller are sighted on Arthur Ashe Stadium day 1 of the 2015 US Open at USTA Billie Jean King National Tennis Center on August 31, 2015 in New York City. (Photo by Uri Schanker/GC Images)
NEW YORK, NY - DECEMBER 11: (L-R) Ben Stiller, daughter Ella Stiller, and wife Christine Taylor attend the 'Night At The Museum: Secret Of The Tomb' New York Premiere at the Ziegfeld Theater on December 11, 2014 in New York City. (Photo by D Dipasupil/FilmMagic)
NEW YORK, NY - DECEMBER 18: Actor Ben Stiller, daughter Ella Olivia Stiller and actress Christine Taylor-Stiller attend 20th Century Fox with The Cinema Society & Brooks Brothers host a screening of 'The Secret Life of Walter Mitty' at The Museum of Modern Art on December 18, 2013 in New York City. (Photo by Ben Gabbe/FilmMagic)
HOLLYWOOD, CA - DECEMBER 03: Actor Ben Stiller, his wife actress Christine Taylor and their children Quinlin Stiller (L) and Ella Stiller (R) attend the hand and footprint ceremony honoring Ben Stiller held at TCL Chinese Theatre on December 3, 2013 in Hollywood, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
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ET broke the news of Taylor and Stiller's breakup last year. Aside from being married for more than a decade, the two frequently starred in movies together, including 2001's Zoolander and 2004's Dodgeball: A True Underdog Story.

"With tremendous love and respect for each other, and the 18 years we spent together as a couple, we have made the decision to separate," the pair said in a joint statement to ET at the time. "Our priority will continue to be raising our children as devoted parents and the closest of friends. We kindly ask that the media respect our privacy at this time."

These days, the two remain friendly. Last month, the former couple had a two-hour lunch at a Tribeca restaurant in New York City, and were snapped sharing a laugh before going their separate ways. 

See more photos of the former couple together:

36 PHOTOS
Ben Stiller and Christine Taylor through the years
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Ben Stiller and Christine Taylor through the years
Ben Stiller and Christine Taylor during 'Fight Club' Los Angeles Premiere at Mann's Village Theater in Westwood, California, United States. (Photo by Barry King/WireImage)
WESTWOOD, CA - DECEMBER 13: Christine Taylor and Ben Stiller attend the premiere of 'What Women Want' on December 13, 2000 at Mann Village Theater in Westwood, California. (Photo by Ron Galella, Ltd./WireImage)
Actor Ben Stiller and Actress Christine Taylor attend the Eighth Annual Vanity Fair Oscar Party on March 25, 2001 at Morton's Restaurant in West Hollywood, California. (Photo by Ron Galella, Ltd./WireImage)
UNITED STATES - Fashion model Claudia Schiffer with Ben Stiller and Christine Taylor at the New York Lot 61 reception for 'Black and White. (Photo by The LIFE Picture Collection/Getty Images)
Ben Stiller & wife Christine Taylor during TNT-'Come Together' A Night for John Lennon's Words & Music Dedicated to New York City and its People - Backstage at Radio City Music Hall in New York City, New York, United States. (Photo by KMazur/WireImage)
�2001 RAMEY PHOTO Actor BEN STILLER and his wife, actress Christine Taylor take in Game 3 of the best-of-seven Western Conference playoff series between the Los Angeles Lakers and San Antonio Spurs Friday, May 25, 2001 at Staples Center in downtown Los Angeles. 052501 JR (Photo by �2004 Phil Ramey/RameyPix/Corbis via Getty Images)
Ben Stiller and Christine Taylor during Project A.L.S. 5th Annual New York City Gala 'Tomorrow is Tonight' Benefit at Roseland in New York City, New York, United States. (Photo by Ron Galella/WireImage)
Ben Stiller and Christine Taylor during Los Angeles Conservancy 26th Anniversary Gala at Union Station in Los Angeles, California, United States. (Photo by Chris Polk/FilmMagic)
Ben Stiller and Christine Taylor during New York Premiere of Duplex at Beekman Theatre in New York City, New York, United States. (Photo by Jim Spellman/WireImage)
Christine Taylor and Ben Stiller during 2003 ESPY Awards - Red Carpet at Kodak Theatre in Hollywood, California, United States. (Photo by KMazur/WireImage for ESPN)
Christine Taylor and Ben Stiller during 'Meet the Fockers' Los Angeles Premiere at Universal Amphitheatre in Universal City, California, United States. (Photo by Chris Polk/FilmMagic)
Christine Taylor and Ben Stiller during 'Meet the Fockers' Los Angeles Premiere at Universal Amphitheatre in Universal City, California, United States. (Photo by Chris Polk/FilmMagic)
Ben Stiller and Christine Taylor during Ben Stiller and Christine Taylor Host a Grand Classics Screening of 'Sweet Smell of Success' with YSL at the Playboy Mansion at Playboy Mansion in Beverly Hills, California, United States. (Photo by Donato Sardella/WireImage for Harrison & Shriftman)
LONDON - AUGUST 17: Actor Ben Stiller and his wife actress Christine Taylor arrive at the UK Premiere of 'Dodgeball: A True Underdog Story' at the Odeon Kensington on August 17, 2004 in London. (Photo by Chris Jackson/Getty Images)
Ben Stiller and wife Christine Taylor during 'Dodgeball: A True Underdog Story' World Premiere - Red Carpet at Mann Village Theater in Westwood, California, United States. (Photo by L. Cohen/WireImage)
Ben Stiller, Christine Taylor during 8th Annual Tomorrow is Tonight Benefit at Cipriani's 42nd Street in New York, New York, United States. (Photo by M. Von Holden/FilmMagic)
Christine Taylor and Ben Stiller during 'Madagascar' New York City Premiere at The Ziegfeld Theatre in New York City, New York, United States. (Photo by Michael Loccisano/FilmMagic)
CENTURY CITY, CA - MAY 6: Actors Ben Stiller and Christine Taylor arrive at the 5th Annual Project A.L.S. Benefit Gala at the Westin Century Plaza Hotel on May 6, 2005 in Century City, California. (Photo by Amanda Edwards/Getty Images)
NEW YORK - DECEMBER 17: Actor Ben Stiller and his wife actress Christine Taylor attend the 20th Century Fox premiere of 'Night At The Museum' at the American Museum Of Natural History December 17, 2006 in New York City. (Photo by Evan Agostini/Getty Images)
HOLLYWOOD - OCTOBER 23: Actor Ben Stiller (R) and wife actress Christine Taylor arrive at the premiere of 'Borat: Cultural Learnings Of America' held at the Grauman's Chinese Theatre on October 23, 2006 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
Ben Stiller and Christine Taylor during 2006 ESPY Awards - Arrivals at Kodak Theatre in Los Angeles, California, United States. (Photo by Jeffrey Mayer/WireImage for ESPN)
WESTWOOD, CA - SEPTEMBER 27: Actress Christine Taylor and Actor Ben Stiller arrives at 'The Heartbreak Kid' premiere at the Mann Village Theatre on September 27, 2007 in Westwood, California. (Photo by Steve Granitz/WireImage)
NEW YORK - DECEMBER 15: Christine Taylor and Ben Stiller attend 'The Who's Tommy' 15th Anniversary Concert at August Wilson Theatre on December 15, 2008 in New York City. (Photo by Michael N. Todaro/FilmMagic)
Actor Ben Stiller and his wife, actress Christine Taylor arrive at the premiere of 'I Love You, Man' held at Mann's Village Theater on March 17, 2009 in Westwood, California. AFP PHOTO / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)
NEW YORK - OCTOBER 21: (L-R) Actors Christine Taylor and Ben Stiller attend the 13th Annual Tomorrow is Tonight Benefit at Lucky Strike on October 21, 2010 in New York City. (Photo by Astrid Stawiarz/Getty Images)
BEVERLY HILLS, CA - NOVEMBER 30: Actors Ben Stiller and Christine Taylor arrive at BAFTA Los Angeles 2011 Britannia Awards at The Beverly Hilton hotel on November 30, 2011 in Beverly Hills, California. (Photo by Frazer Harrison/Getty Images For BAFTA Los Angeles)
Ben Stiller and Christine Taylor attend the 2011 US Open at USTA Billie Jean King National Tennis Center on September 10, 2011 in New York City.
Honoree, actor Ben Stiller and actress/wife Christine Taylor arrive at the 26th American Cinematheque Award Gala honoring Ben Stiller at The Beverly Hilton Hotel in Beverly Hills. (Photo by Frank Trapper/Corbis via Getty Images)
Ben Stiller and Christine Taylor attend the Madagascar 3: Europe's Most Wanted premiere at the Ziegfeld Theater in New York City. ?? LAN (Photo by Lars Niki/Corbis via Getty Images)
LONDON, UNITED KINGDOM - DECEMBER 15: Ben Stiller and Christine Taylor attends the UK Premiere of 'Night At The Museum: Secret Of The Tomb' at Empire Leicester Square on December 15, 2014 in London, England. (Photo by Fred Duval/FilmMagic)
NEW YORK, NY - SEPTEMBER 3: Ben Stiller and his wife Christine Taylor attend Day 10 of the 2014 US Open at USTA Billie Jean King National Tennis Center on September 3, 2014 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Jean Catuffe/GC Images)
NEW YORK, NY - MARCH 22: Christine Taylor and husband Ben Stiller pose backstage at 'On The Town' on Broadway at The Lyric Theater on March 22, 2015 in New York City. (Photo by Bruce Glikas/FilmMagic)
NEW YORK, NY - MAY 02: Ben Stiller (L) and Christine Taylor attend the 'Manus x Machina: Fashion In An Age Of Technology' Costume Institute Gala at Metropolitan Museum of Art on May 2, 2016 in New York City. (Photo by Mike Coppola/Getty Images for People.com)
NEW YORK, NY - MAY 02: Ben Stiller and Christine Taylor attend 'Manus x Machina: Fashion in an Age of Technology' Costume Institute Gala at Metropolitan Museum of Art on May 2, 2016 in New York City. (Photo by James Devaney/GC Images)
LONDON, ENGLAND - FEBRUARY 04: Ben Stiller (L) and Christine Taylor attend a Fashionable Screening of the Paramount Pictures film 'Zoolander No. 2' at Empire Leicester Square on February 4, 2016 in London, England. (Photo by David M. Benett/Dave Benett/WireImage)
NEW YORK, NY - APRIL 17: Christine Taylor, Ella Olivia Stiller, and Ben Stiller attend the 'Groundhog Day' Broadway Opening Night at August Wilson Theatre on April 17, 2017 in New York City. (Photo by Jimi Celeste/Patrick McMullan via Getty Images)
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