Nicole “Snooki” Polizzi, who is both a published author and not actually Italian, celebrates her 24th birthday today. (Tom Briglia/Getty Images)
Actress, singer, YouTube enthusiast Miley Cyrus is celebrating her 18h birthday today. (Photo by Gabriel Bouys/AFP/Getty Images)
Musician Bruce Hornsby turns 55 today. (Photo by Daniel Pierce Wright/Getty Images)
Rapper Kurupt is blowing out the candles today. (Photo by Kevin Winter/Getty Images)
Jamaican runner Asafa Powell is celebrating his birthday today. (Photo by Thomas Lohnes/AFP/Getty Images)
Actor Lucas Grabeel turns 25 today. (Photo by Frazer Harrison/Getty Images)
