Brigitte Nielsen is pregnant with fifth child -- See her baby bump

Brigitte Nielsen is 54 and expecting her fifth child.

The actress - best known for her roles in Beverly Hills Cops II and Red Sonja -- broke the news to her Instagram fans a few days ago by sharing a photo of her growing baby bump. "Family getting larger #me #family #brigittenielsen #babybump," she captioned the image.

family getting larger ❤️ #me #family #brigittenielsen #babybump

A post shared by Brigitte Nielsen (@realbrigittenielsen) on

On Wednesday, she shared another pic of her cradling her tummy, writing: "Happy time positive vibes #happyness #positivevibes"

happy time ❤️ positive vibes #happyness #positivevibes

A post shared by Brigitte Nielsen (@realbrigittenielsen) on

Nielsen has been married to 39-year-old Italian TV producer Mattia Dessì since 2006, and has four other children from previous relationships. Julian Winding, 34, is the son she shares with Kasper Winding, whom she was married to from 1983 to 1984, Killian Marcus Nielsen, 28, is her son with Mark Gastineau, while sons Douglas Aaron Meyer, 25, and Raoul Ayrton Meyer Jr., 23, are from her marriage to Raoul Meyer from 1993 to 2005. 

Nielsen was also famously married to Sylvester Stallone and was romantically connected to rapper Flava Flav after their appearance on VH1's The Surreal Life.

ET has reached out to Nielsen's rep regarding these pregnancy pics. 

36 PHOTOS
Brigitte Nielsen through the years
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Brigitte Nielsen through the years
MILAN - CIRCA 1985: Brigitte Nielsen circa 1980s at a fashion show in Milan. (Photo by PL Gould/Images Press/Getty Images)
Actors Eddie Murphy and Brigitte Nielsen. (Photo by Robin Platzer/The LIFE Images Collection/Getty Images)
LOS ANGELES, CA - JUNE 17 : Actress Brigitte Nielsen during photo shoot June 17, 1985 in Los Angeles, California. (Photo by Bob Riha, Jr./Getty Images)
Danish actress Brigitte Nielsen and American actor Eddie Murphy on the set of Beverly Hills Cop II, directed by Tony Scott. (Photo by Paramount Pictures/Sunset Boulevard/Corbis via Getty Images)
Sylvester Stallone and Brigitte Nielsen (Photo by Ron Galella/WireImage)
Sylvester Stallone and Brigitte Nielsen during AFI Life Achievement Award Honoring Barbara Stanwyck at Beverly Hilton Hotel in Beverly Hills, California, United States. (Photo by Jim Smeal/WireImage)
UNITED STATES - APRIL 01: Sylvester Stallone and Brigitte Nielsen (Photo by The LIFE Picture Collection/Getty Images)
'Brigitte Nielsen, Thomas Gottschalk, ZDF-Show-Magazin ''Na siehste'' w�rend ''Internationale Funkausstellung'' (IFA) am 01.09.1987 in Berlin, Deutschland. (Photo by Peter Bischoff/Getty Images)'
UNITED STATES - APRIL 01: Brigitte Nielsen 4/1/1987 (Photo by The LIFE Picture Collection/Getty Images)
Brigitte Nielsen in Paris, 1987. (Photo by Bertrand Rindoff Petroff/Getty Images)
Brigitte Nielsen in Paris, 1987. (Photo by Bertrand Rindoff Petroff/Getty Images)
Brigitte Nielsen and Mark Gastineau during Brigitte Nielsen and Mark Gastineau Sighting in New York City - February 2, 1988 in New York City, New York, United States. (Photo by Ron Galella/WireImage)
BEVERLY HILLS,CA - JANUARY 25: Singer/Actress Cher and actress Brigitte Nielsen attend the 15th Annual American Music Awards After Party on January 25, 1988 at Chasen's Restaurant in Beverly Hills, California. (Photo by Ron Galella/WireImage)
UNITED STATES - JANUARY 01: Brigitte Nielsen and Jon Bon Jovi (Photo by The LIFE Picture Collection/Getty Images)
UNITED STATES - MARCH 18: Brigitte Nielsen (Photo by The LIFE Picture Collection/Getty Images)
UNITED STATES - MARCH 18: Brigitte Nielsen (Photo by The LIFE Picture Collection/Getty Images)
UNITED STATES - MARCH 18: Brigitte Nielsen (Photo by The LIFE Picture Collection/Getty Images)
LONDON, UNITED KINGDOM - JANUARY 01: Actress Brigitte Nielsen in 1989 ca. in London, England. (Photo by Georges De Keerle/Getty Images)
UNITED STATES - AUGUST 01: Brigitte Nielsen and Mark Gastineau (Photo by The LIFE Picture Collection/Getty Images)
Brigitte Nielsen, Helmut Zerlett,;RTL-Stiftung-Wir helfen Kindern e.V.,;'Galaneum Night, Spendenmarathon,;Charity-Gala, 'Coloneum', K�ln,;Deutschland, Abendgarderobe, Umarmung,;lachen, (Photo by Peter Bischoff/Getty Images)
Brigitte Nielsen + Ehemann Raoul Meyer Beim 100. Berliner Presseball Im Icc (Photo by Franziska Krug/Getty Images)
Brigitte Nielsen + Raoul Meyer Bei 'Frankfurter Opernball' 170296 (Photo by Franziska Krug/Getty Images)
FRANCE - MAY 01: Cannes 92: Brigitte Nielsen In Cannes, France On May, 1992. (Photo by Pool BENAINOUS/DUCLOS/Gamma-Rapho via Getty Images)
NEW YORK - OCTOBER 14: Rapper Flavor Flav and actress Brigitte Nielsen arrive at the Playstation 2 And The Hip-Hop Summit Present 'Race To The Polls' at Hammerstein Ballroom October 14, 2004 in New York City. (Photo by Fernando Leon/Getty Images)
Brigitte Nielsen during Gala Dinner for 'The Best' Award - Arrivals at The Royal Monceau Hotel in Paris, France. (Photo by Jean Baptiste Lacroix/WireImage)
Brigitte Nielsen, Flavor Flav and Anna Nicole Smith (Photo by KMazur/WireImage)
LONDON - DECEMBER 22: (EMBARGOED FOR PUBLICATION IN UK TABLOID NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) (L-R) Comedian David Walliams, actor Anthony Head, actress Brigitte Nielsen and comedian Matt Lucas pose in the Awards Room with their awards at the 'British Comedy Awards 2004' at London Television Studios on December 22, 2004 in London. Jonathan Ross hosted the star-studded annual awards. (Photo by Dave Benett/Getty Images)
NEILL J. SCHUTZER/�2008 RAMEY PHOTO BRIGITTE NIELSEN SHOWING OFF HER NEW BODY. 090208 NJSBPE (Photo by Philip Ramey/Corbis via Getty Images)
BURBANK, CA - JULY 22: Actress Brigitte Nielsen (R) and husband Mattia Dessi arrive at the Comedy Central Roast of Flavor Flav at Warner Bros. Studio Lot, Stage 23 on July 22, 2007 in Burbank, California. (Photo by Kevin Winter/Getty Images)
TV personality Brigitte Nielsen arrives at the 2008 American Music Awards held at Nokia Theatre L.A. LIVE on November 23, 2008 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
BEVERLY HILLS, CA - NOVEMBER 09: Brigitte Nielsen sighting at Neiman Marcus Clothing Boutique on November 09, 2009 in Beverly Hills, California. (Photo by Guztavo Munoz/BuzzFoto/FilmMagic)
LONDON, UNITED KINGDOM - SEPTEMBER 16: Brigitte Nielsen attends the UK premiere of 'The Death and Life of Charlie St. Cloud' at Empire Leicester Square on September 16, 2010 in London, England. (Photo by Fred Duval/FilmMagic)
BERLIN - MAY 28: (L-R) Former attendant Brigitte Nielsen and dance partner Oliver Tienken dance during the final of the 'Let's Dance' TV show at Studios Adlershof on May 28, 2010 in Berlin, Germany. (Photo by Jakubaszek/Getty Images)
LONDON, ENGLAND - OCTOBER 12: (EMBARGOED FOR PUBLICATION IN UK TABLOID NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME. MANDATORY CREDIT PHOTO BY DAVE M. BENETT/GETTY IMAGES REQUIRED) Brigitte Nielsen attends the global launch of Vertu Constellation Quest at Lancaster House on October 12, 2010 in London, England. (Photo by Dave M. Benett/Getty Images)
BERLIN, GERMANY - APRIL 13: (L-R) Sophia Thomalla and Brigitte Nielsen attend the Jaguar F-Type short film 'The Key' Premiere at e-Werk on April 13, 2013 in Berlin, Germany. (Photo by Andreas Rentz/Getty Images)
BOTTROP, GERMANY - MAY 09: Brigitte Nielsen attends the taping of the tv show 'Abenteuer Grillen - Der kabel eins BBQ-King 2015' on May 9, 2015 in Bottrop, Germany. The show will be aired on May 26, 2015. (Photo by Sascha Steinbach/Getty Images)
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