Washington, Dec 31 : Through the ups and downs, personal troubles or no, Britney Spears is the hottest human being on Planet Earth, according to USA Today''s survey.

USA Today's annual Celebrity Heat Index, which measures how much exposure a star gets in print and online, has been topped by Britney, all thanks to the exposure she got through internet and print reports.

The second place has been nabbed by Angelina Jolie, whose life and romance with actor Brad Pitt is constantly making headlines. Jennifer Aniston takes third place and Pitt fourth.

Making the list for the first time is `Twilight' actor Robert Pattinson, who made a splash after playing Edward in the film adaptation of Stephenie Meyer's popular vampire books.

`Gossip Girl' star Blake Lively is also a newcomer to the index as well as President-elect Barack Obama. (ANI)