Sienna Miller Looks Hot in Tiny Bikini During Mexican Vacation

Sienna Miller has never looked hotter!

The 35-year-old Live By Night actress was spotted sporting a colorful bikini while taking on the waves last weekend in Tulum, Mexico.

PHOTOS: Check out the latest pics of Sienna Miller

Sienna‘s next film is titled The Catcher Was a Spy and follows “Major league baseball player, Moe Berg, who lives a double life working for the Office of Strategic Services,” according to IMDB.

In case you missed it, Sienna recently opened up about she is still best friends with her ex Tom Sturridge.

FYI: Sienna is wearing a Missoni bikini.