Lady Gaga, other celebs Tweet reactions to Hurricane Irene

24 of 24: 'Be careful east coast! Sending up prayers for you,' singer Jordin Sparks wrote on Twitter on August 27, 2011, referring to Hurricane Irene, which is expected to hit the East Coast through the weekend. (Pictured: Jordin Sparks talks to OnTheRedCarpet.com at the 2011 Elle Womken in Music event in Los Angeles.) (OnTheRedCarpet.com)