For expectant mamas heading into the Summer season, swimwear selection is always top of mind, but when you're heading to the beach — or even the backyard — you may want to celebrate the day wearing a two-piece swimsuit. Fifty percent of our readers  showed off their burgeoning bellies in a bikini while pregnant — and they're not alone. Take a look at some of our favorite expectant celebs who also sported bikinis while playing in the sun.
Bethenny Frankel donned a two-piece bathing suit during her honeymoon in St. Barts .
Former Spice Girl Melanie Brown  slipped into a white bikini to hang out at the pool  with her husband.
A newly pregnant Ashlee Simpson  took to the beach in a bikini while honeymooning with Pete Wentz  in the Caribbean.
Alessandra Ambrosio shared a picture of herself pregnant and in a bikini on the beach with her daughter Anja.
A 41-year-old Uma Thurman  showed off her growing bump in a black bikini. She was expecting her third child, her first with her long-term partner Arpad Busson, a London-based financier.
Toni Collette toweled off her expectant bikini body just weeks before delivering in Sydney.
Charlotte Church chose a bikini with boy shorts during a day at the beach back in 2007.
Alicia Keys  wore a tiny bikini while celebrating her honeymoon on a yacht  off the coast of France.
Nicole Richie  flaunted her bikini body in Hawaii while pregnant with Harlow in 2007.
Songstress Paulina Rubio showed off her growing bump in Malaga, Spain.
Britney Spears  showed off her growing bump on the beach in Miami when pregnant with Jayden James.
Gisele Bündchen took her bump down to Miami for a weekend getaway with husband Tom Brady  while expecting baby number two. She rocked an animal-print bikini on the beach and a large hat to shield her face from the sun.
Kim Kardashian  showed off her baby body in DuJour magazine's Spring issue.
Elsa Pataky showed off her baby bump while hitting the water in St. Barts.
Jessica Simpson  showed off her second baby belly with a selfie portrait while vacationing in Hawaii.
Jessica Alba  showed off her growing belly while vacationing in Mexico .
David Beckham  snapped a picture of wife Victoria relaxing during the final days of her pregnancy with baby Harper.
Shiri Appleby shared a picture of herself on the beach during her final month of pregnancy.
Tori Spelling  was spotted taking a walk on the beach with her family while pregnant with baby Hattie. The now mama of four has said she's proud to show off her baby belly in a bikini.
Jenna Dewan showed off her pregnant belly during a vacation to St. Barts in early 2013.
Carla Bruni wasn't shy about baring her bump in a tiny bikini with her husband, then-French President Nicolas Sarkozy, in the French resort town of Fort de Brégancon.
Camila Alves sported a bikini to spend the afternoon strolling the beach.
Minnie Driver  gave her pregnant belly a little sun during the final days of her pregnancy.
Early in her pregnancy, Holly Madison did a Las Vegas photo shoot in a red checked bikini.
Kourtney Kardashian wore a bikini while pregnant with little Penelope.
Vanessa Lachey shared a beautiful sunset bikini photo — taken by her husband, Nick — while pregnant with Camden.
Source: Twitter user VanessaLachey 
Shakira  showed off her full, pregnant belly just before giving birth to baby Milan.
Source: Twitter user shakira 
On Mother's Day , Stacy Keibler posted this bikini picture of her baby bump.
Source: Instagram user stacykeibler