Bar Refaeli: Bikini in Mexico!

Bar Refaeli slips into a sexy bikini while laying out in the sun on Monday (December 27) in Mexico.

The 25-year-old 2009 Sports Illustrated model made JustJared.com‘s Top 25 List of 2010′s Most Popular Celebs. The full list will be revealed later this week. Stay tuned!

Bar and on-an-off-again boyfriend Leo DiCaprio were last spotted together having dinner in October.

10+ pictures inside of bikini-clad Bar Refaeli vacationing in Mexico…