In what could be their last vacation before their baby girl arrives, celebrities Mila Kunis and Ashton Kucher had their "babymoon" on the exotic island of Taha'a in French Polynesia.

The glamorous couple, who are engaged, spent a week on the island. Taha'a lies a few miles south of Bora Bora, that international tourist destination famous for its aqua-centric luxury resorts.

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Taha'a is considered one of the world's most romantic and most popular honeymoon spots. It's fabled for its bungalows built over water; its romantic seclusion and happy locals. There's no official word on what the couple did on Taha'a but they did what any other couples would have done in such a romantic setting.

Before their babymoon, the couple bought a three-bedroom home in Beverly Hills. Sources said Mila and Ashton were interested in a home with lots of security now that they have a baby on the way.

Sources close to Ashton said the star is desperate to have a big family, and this is something Mila and he have been open about with their friends.

Ashton began dating Mila, his on-cam sweetheart in the TV 1990's sitcom "That '70s Show," in 2012. Ashton and Mila announced their engagement last March after Ashton's divorce from actress Demi Morre became final in November 2013.

Ashton, 36, and Demi, 51, broke up in 2011 after Ashton allegedly cheated on Demi with a college student.

Oddly, Demi was one of the first persons to learn of Mila's pregnancy, thanks to a call made to her by Ashton. Mila confirmed her pregnancy to Ellen DeGeneres in May.

Mila told Ellen she plans to give birth without the assistance of an epidural.

"I'm gonna do it as all-natural as I possibly can unless there's an emergency or something," she said. "I mean, I did this to myself-I might as well do it right. I wanted this."

TagsAshton Kucher, Mila Kunis, babymoon, Demi Moore