Rihanna horsed around at the beach with one of her brothers in her native Barbados on Thursday, and RadarOnline.com has the pics of the sexy star.

The 23-year-old Umbrella singer -- looking fab in a teenie-weenie red and orange bikini -- is spending the holidays at home with her family after wrapping up her grueling  six-month Loud tour across North and South America and Europe.

PHOTOS: Rihanna Makes A Splash In The Barbados

But her trip back home is not all for play. Tomorrow, she’ll be headlining a private New Year's Eve party at the posh Sandy Lane resort in the Barbados.

2012 promises to be a big year for the star.  She’ll make her film debut in the sci-fi thriller, Battleship, which hits theaters in May.

Check out the trailer here!

New Year’s Eve is right around the corner and if you haven’t made plans yet, think about checking out Hollywood’s Spot 5750 and their brand new nightclub ELXR.

This newly remodeled hot-spot offers 25,000 square feet of space, boasting over 50 HD flat screen TV’s, more than 10 brand new pool tables and a VIP lounge with one of a kind bottle service.

Spot 5750 and ELXR are ringing in 2011 with a bang – extended hours, champagne toast at midnight, amazing cirque style aerialists and Hollywood’s best deejays!

The venue offers a wide range of packages at affordable prices to suit any of your New Year’s Eve needs, including an open bar package from 8 p.m. to 10 p.m. and various bottle service packages.

Aubry Fisher from TLC’s L.A. Ink will also be making a guest appearance.

Book your tickets soon before they run out!