Rihanna Celebrates Birthday in Bikini (Video) Video: Rihanna Celebrates Her 25th in a Rasta Bikini and Creates Makeup For MAC! February 20, 2013 The Top 5 Can't-Miss Moments From... Chanel Haute Couture Highlights... Kristen Stewart Celebrates With a... 01:20 Rihanna Has a New Hot Guy! Jessica Simpson Picks a Name For... Taylor Swift Sends Selena Gomez a... 01:21 Rihanna Addresses the Ashton... 02:20 Britney, Rihanna, and Beyoncé... Rihanna Says Chris Brown "Doesn't... 02:55 Rihanna Reveals Her Battleship... What's Next For Tina Fey? We Cast... Grammys 2013 — From Big Winners... Downton's Shocking Finale, Josh... 01:22 Rihanna Celebrates SNL... Jay Leno and Jimmy Fallon Sing... 01:18 Rihanna Models Lingerie and Salsa... 01:18 Rihanna Poses Nude and Wins... 02:17 10 Celeb Style Favorites of 2011! 04:26 Rihanna Performs "California King... 01:25 Rihanna Brings the "Thrilling"... by Matthew Rodrigues 1 Save 0 Favorite 0 Rihanna turns 25 today sitting poolside in a Rasta bikini and celebrates the news of her deal to create makeup for MAC Cosmetics. View Transcript » Transcript RihannaMAC CosmeticsChris Brown Tell your friends What’s Your Reaction? 0 0 0 0 0 0 0votes Link Love Miley Cyrus had the most-viewed videos of the yearETJennifer Lopez is changing her name — Us WeeklyWhat is Lindsay Lohan doing in Miami? — Lainey GossipParis Hilton is unhappy about her Twitter hoax — HuffPost CelebrityMadonna's son Rocco is all grown up — PeopleAmy Poehler gives the best advice — BuzzFeedWas The Sound of Music Live! really that bad? — The Daily BeastBrian Griffin may come back to Family Guy — Pink Is the New BlogSpencer Pratt graduates USC after 10 years — D-ListedWhy was Scandal's season cut short? — JustJaredJessica Hart works it for Victoria's Secret — Hollywood TunaJanuary Jones gets in the Christmas spirit — The SuperficialThe Kardashians' show is losing viewers — PopBytes Sign in to leave a comment Sign in with your account Don't have an account? Create one now! Kate3740119 40 weeks I have stay on repeat - Happy Bday Riri! You Might Also Like Celebrity Babies Nov 10, 2013 Gisele Gives Us a Glimpse of Her Sweet, Sexy Beach Day Poll Jul 20, 2008 What's Tackier? Bikini Jul 07, 2006 Who has the best beach butt? Bikini Jul 19, 2010 Katy Perry Brings Out Her Bangin' California Girl Bikini Body!