Jessica Biel shows off post-baby body in rare public appearance with brother

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Jessica Biel Shows Off Post Baby Body In Rare Public Appearance

Jessica Biel showed off her post-pregnancy physique as she made a rare public appearance at a fashion event in Santa Monica Thursday.

The 33-year-old actress, who is married to Justin Timberlake, stepped out with the other Justin in her life -- her 30-year-old brother Justin Biel, the man behind the event.

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The brunette beauty stunned in a stylish Self Portrait jumpsuit that consisted of wide leg cropped blue pants and a sheer black crocheted lace high neck top.

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Jessica Biel shows off post-baby body in rare public appearance with brother

LOS ANGELES, CA - August 27: Jessica Biel is seen on August 27, 2015 in Los Angeles, California. (Photo by JB Lacroix/GC Images)

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LOS ANGELES, CA - August 27: Jessica Biel is seen on August 27, 2015 in Los Angeles, California. (Photo by JB Lacroix/GC Images)

Get the look.

LOS ANGELES, CA - August 27: Jessica Biel is seen on August 27, 2015 in Los Angeles, California. (Photo by JB Lacroix/GC Images)

Get the look.

LOS ANGELES, CA - August 27: Jessica Biel is seen on August 27, 2015 in Los Angeles, California. (Photo by JB Lacroix/GC Images)

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The new mom's four-month-old son Silas Randall was at home, giving her a well-deserved break.

As her singing spouse was not by her side, we assume he was busy at home on daddy duty.

PHOTOS: Jessica Biel and Justin Timberlake's cute couple moments

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Jessica Biel shows off post-baby body in rare public appearance with brother
LAS VEGAS, NV - SEPTEMBER 18: Singer/actor Justin Timberlake (L) and his wife, actress Jessica Biel, arrive at the world premiere of Twentieth Century Fox and New Regency's film 'Runner Runner' at Planet Hollywood Resort & Casino on September 18, 2013 in Las Vegas, Nevada. (Photo by David Becker/Getty Images)
Thank you EVERYONE for the Bday wishes! This year, I'm getting the GREATEST GIFT EVER. CAN'T WAIT. #BoyOrGirl #YouNeverKnow #WeDontEvenKnow #WeAreTakingBets
NEW YORK, NY - SEPTEMBER 09: Justin Timberlake and Jessica Biel watch the men's singles final match between Novak Djokovic of Serbia and Rafael Nadal of Spain on Day Fifteen of the 2013 US Open at the USTA Billie Jean King National Tennis Center on September 9, 2013 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Clive Brunskill/Getty Images)
Justin Timberlake (C) and his wife Jessica Biel (R) watch Novak Djokovic of Serbia play Rafael Nadal of Spain during their 2013 US Open men's singles final match at the USTA Billie Jean King National Tennis Center September 9, 2013 in New York. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP/Getty Images)
Justin Timberlake and Jessica Biel attend the Time 100 Gala celebrating the Time 100 issue of the Most Influential People In The World at Jazz at Lincoln Center on April 23, 2013 in New York. AFP PHOTO / TIMOTHY A.CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
NEW YORK, NY - APRIL 23: Justin Timberlake and Jessica Biel attend the 2013 Time 100 Gala at Frederick P. Rose Hall, Jazz at Lincoln Center on April 23, 2013 in New York City. (Photo by Jamie McCarthy/Getty Images)
LOS ANGELES, CA - FEBRUARY 10: Singers Adele, Justin Timberlake and Actress Jessica Biel onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
NEW YORK, NY - DECEMBER 05: Justin Timberlake and Jessica Biel attend the Film District and Chrysler with The Cinema Society premiere of 'Playing For Keeps' after party at Dream Downtown on December 5, 2012 in New York City. (Photo by Andrew H. Walker/Getty Images)
LOS ANGELES, CA - MAY 12: Justin Timberlake smiles as Jessica Biel gives him a kiss coutside as the Los Angeles Lakers take on the Denver Nuggets in Game Seven of the Western Conference Quarterfinals in the 2012 NBA Playoffs on May 12, 2012 at Staples Center in Los Angeles, California. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Harry How/Getty Images)
LOS ANGELES, CA - APRIL 21: Justin Timberlake (R) and Jessica Biel (L) kiss at the Los Angeles Lakers vs Utah Jazz game at Staples Center on April 21, 2009 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images)
Singer Justin Timberlake and girlfriend Jessica Biel arrive at the Metropolitan Museum of Art's Costume Institute Gala benefit celebrating 'The Model as Muse: Embodying Fashion' on Monday, May 4, 2009 in New York. (AP Photo/Evan Agostini)
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