NICK LACHEY and VANESSA MINNILLO

The pair - who have been dating since April 2006 - is said to be exchanging vows in a secret ceremony at one of the Carlyle Hotels on the tropical island.

Minnillo's entourage arrived at the luxury residence on Friday (07Dec07) afternoon, according to Fox News.

Lachey, 34, who moved in to Minnillo's New York apartment in April (07), was previously married to Jessica Simpson, and starred with her in the hit MTV reality show Newlyweds: Nick + Jessica.

Representatives for the couple could not be reached at the time WENN went to press.

Earlier this year (Mar07), Simpson said she was stung when Lachey jumped back into dating after their high-profile breakup.

Simpson filed for divorce in December 2005 after three years of marriage, and is now reportedly dating Dallas Cowboy Tony Romo.

Source: WENN