The Black Eyed Peas and Lady Gaga are the two big leaders of the iTunes all-time most-downloaded songs list, which the company released for the first time on Thursday (February 11). Both artists had songs in the top 10 — with the Peas occupying the #1 and #3 spots — and Jason Mraz, Coldplay, Flo Rida, Taylor Swift, Leona Lewis and Ke$ha filled out the top 10; Katy Perry also had a strong showing in the top 25, and Flo Rida and Gaga also had songs at #19 and #23, respectively.

The entire top 25 is posted on iTunes, with all songs available as an album for $31.95.

Additionally, iTunes has created a "Countdown to 10 Billion Song Downloads" contest, for which the winner will get a whopping $10,000 gift certificate. Anyone who downloads a song (beginning Thursday) or enters the contest on iTunes' Web site is eligible. For complete details, see iTunes' Web site.

iTunes' most-downloaded songs of all time, as of February 11, 2010:

1) "I Gotta Feeling," Black Eyed Peas
2) "Poker Face," Lady Gaga
3) "Boom Boom Pow," Black Eyed Peas
4) "I'm Yours," Jason Mraz
5) "Viva la Vida," Coldplay
6) "Just Dance," Lady Gaga & Colby O'Donis
7) "Low," Flo Rida (featuring T-Pain)
8) "Love Story," Taylor Swift
9) "Bleeding Love," Leona Lewis
10) "TiK ToK," Ke$ha
11) "Disturbia," Rihanna
12) "So What," Pink
13) "I Kissed a Girl," Katy Perry
14) "Single Ladies (Put a Ring on It)," Beyoncé
15) "Hot N Cold," Katy Perry
16) "Stronger," Kanye West
17) "Live Your Life," T.I. (featuring Rihanna)
18) "Hey There Delilah," Plain White T's
19) "Right Round," Flo Rida
20) "Party in the U.S.A.," Miley Cyrus
21) "Don't Stop Believin'," Journey
22) "Bad Romance," Lady Gaga
23) "Use Somebody," Kings of Leon
24) "Fireflies," Owl City
25) "How to Save a Life," the Fray