Elsa Pataky's pregnancy has been nothing but smooth sailing -- literally!
The 35-year-old Spanish actress, who will give birth to her first child with husband Chris Hemsworth this spring, boarded a luxury yacht with Matt Damon and wife Luciana Barroso in St. Barts Thursday.
PHOTOS: Pregnant bikini bodies
Married since December 2010, Pataky and Thor star Hemsworth, 28, are "beyond thrilled to have this baby," a source close to the two stars tells Us Weekly. "They're an adorable couple."
PHOTOS: New star dads
Pataky, whose film credits include Fast Five and Snakes on a Plane, showed off her growing baby bump in a fuchsia bikini. "Since it's our first child, we don't care if it's a boy or a girl," Pataky tells ¡Hola!. "Our only wish is that it's healthy."
VIDEO: See Chris kick major butt as Thor
Should they need any parenting tips, Damon, 41, and Barroso, 35, might have some words of wisdom: they're parents to daughters Isabella, 5, Gia, 3, and Stella, 15 months.
Get more Us! Follow us on Twitter, Friend us on Facebook, Subscribe to Us Weekly
Find out what Oscar winners Jared Leto and Lupita Nyong’o have been up to since the Academy Awards on Celebs Gone Social.
The Rock flexes massive muscle while getting sentimental on Celebs Gone Social hosted by Wonderwall editor Chris Gardner.
Find out where Drew Barrymore and Reese Witherspoon are and what they're doing on their latest "girl's trip" on Celebs Gone Social.
Oscar nominee Lupita Nyong’o shares her awards season journey (and meetings with Oprah, Sidney Poitier and the Dalai Lama!) on Celebs Gone Social
Nicole Richie debuts a lavender hair color on Instagram on Celebs Gone Social. What does Kelly Osbourne have to do with it?
Jessica Simpon, Gisele Bundchen and more celebs share intimate pics of their partners on Celebs Gone Social.
Sofia Vergara poses in a revealing neon bikini while her "Modern Family" castmates hit the beach in Australia on Celebs Gone Social.
© 2014 Microsoft