Kim Kardashian  turns 35 on Wednesday, and we're celebrating the major milestone with a look back at her sexiest bikini pictures. It's been a big couple of years for Kim and her family, what with her lavish wedding to Kanye West  last May, the announcement of her second pregnancy this May, and a slew of adorable mother-daughter moments  with 2-year-old North. Whether she's got a six-pack or a growing baby bump, Kim has made sure to let the world know that she's always bikini-ready with tons of social media snaps  fashion spreads. From hitting the beach in a bikini to posing for photo shoots in sexy two-pieces, we've rounded up 37 of Kim's best swimsuit photos. Happy birthday, Kim — here's to another year full of great bikini moments!
Kim flaunted her figure in a red two-piece on the beach in Mexico in August 2014.
Kim showed off her postbaby body in a white bikini in Miami back in November 2013.
Kim showed off her hot bikini body during an LA photo shoot in July 2009.
She walked along the beach during a November 2008 trip to Miami.
Kim kept her famous curves hidden under water while posing for FHM's October 2009 cover.
Kim wore several bikinis — including this purple one — during a vacation in Mykonos, Greece, in April 2013.
She let loose in the ocean during an August 2008 trip to Cabo San Lucas, Mexico.
Kim shared this photo of herself lounging in the pool in Mexico in July 2014.
Source: Instagram user kimkardashian 
She showed off her growing belly during a trip to St. Barts in August 2015.
Kim gave fans a glimpse of her bikini body during a photo shoot in June 2012.
Kim's famous derriere was on display as she posed for a photo shoot  on the beach in Thailand in April 2014.
During a work trip to the Bahamas in 2009, Kim posed in a bikini for a People magazine spread.
She playfully posed with her then-boyfriend Reggie Bush for their sexy March 2009 GQ spread.
She stretched out on a lounge chair in Mexico in July 2014.
Source: Instagram user kimkardashian 
Kim posed in a fur bikini (in the snow!) in January 2015.
She wore a colorful Agent Provocateur  bikini on Miami Beach in July 2012.
She relaxed by the pool in a black high-waisted bikini during her honeymoon with Kanye West  in June 2014.
Kim got silly on a trampoline during a July 2009 photo shoot in LA.
She wore a barely-there bikini while going for a swim in August 2012.
Kim took in the sights in a black bikini while in Mykonos, Greece, in April 2013.
Pregnant Kim wore a metallic bikini in LA, just days before she gave birth to daughter North West in June 2013.
Kim wore a see-through cover-up during a May 2009 promotional event in Malibu.
She hit the ocean in Miami Beach during a July 2007 trip with her sisters.
She showed off her baby bump while soaking up the Mykonos rays in Greece in April 2013.
She headed south of the border to Cabo San Lucas, Mexico, in August 2008.
Kim waved to the camera while vacationing in Monte Carlo in June 2008.
Kim and Reggie made a fine pair in GQ magazine's March 2009 issue.
She flaunted her postbaby figure in a white swimsuit in October 2013.
Kim sported a retro two-piece during a Hawaiian vacation in August 2012.
She shared a photo of herself in a white bikini during a trip to Mexico in 2008.
She shared her dieting and exercise tips with bikini photo spread in Life and Style in May 2009.
Kim hit the water in a black bikini during a trip to Miami in November 2008.
Kim graced the June 2010 cover of Shape magazine in a tiny purple two-piece.
She showed off her blond locks and blew a kiss to her Twitter followers in September 2009.
Kim and her sister Kourtney cooled off at the pool on vacation in Monte Carlo in June 2008.
She filmed Kim and Kourtney Take Miami on the beach with her sister in March 2010.
Kim posted this bikini-clad selfie in May 2015.