Jason Derulo [1]'s "In My Head" (Warner Bros.) became the American singer's first U.K. No. 1 single, as Lady Gaga [2]'s "The Fame" (Interscope/Universal) started a new stint atop the album chart, and the top ten welcomed new hit albums by Marina and the Diamonds [3], the Courteeners [4] and Johnny Cash [5].

"In My Head," which holds at No. 9 on this week's Billboard Hot 100, follows up Derulo's U.S. No. 1 "Whatcha Say," which reached No. 3 in the U.K. and was top ten in several other European countries.

The new single held Florence & the Machine [6] and Dizzee Rascal [7]'s "mash-up" "You Got The Dirtee Love" (Dirtee Stank/Universal Island) at No. 2, where it debuted last week after the two artists performed it together at the BRIT Awards Feb. 16. Rihanna [8]'s "Rude Boy" (Def Jam/Universal) climbed 6-3.

Also new on the Official Charts Company's Feb. 28 singles chart was BRIT Award Critics' Choice winner Ellie Goulding [9]'s "Starry Eyed" (Polydor/Universal) at No. 4, and Sugababes [10]' 18th top ten hit "Wear My Kiss" (Universal Island) at No. 8.

JLS [11] climbed 14-10 with "One Shot" (Epic/Sony Music Entertainment) while Philadelphia hip-hop act Chiddy Bang [12]'s "The Opposite of Adults" (Regal/EMI) debuted at No. 12. Cheryl Cole [13]'s "Parachute" (Fascination/Polydor/Universal) climbed 19-11, Marina and the Diamonds' debut hit "Hollywood" climbed back 22-13 and Leona Lewis [14]' latest hit "I Got You" (Syco Music/Sony Music Entertainment) improved 40-14.

"The Fame" had four weeks at No. 1 on the U.K. album chart last April and May, and returned to the summit, 2-1, in its 59th week, having been back in the top ten for the previous 11 weeks. Marina and the Diamonds, otherwise known as Welsh-born singer Marina Diamandis, followed her singles chart success by debuting at No. 5 with her first album "The Family Jewels" (679/Warner Music).

Manchester rock quartet the Courteeners followed the No. 4 peak of their 2008 debut "St. Jude" with a No. 6 entry for their sophomore album "Falcon" (A&M/Universal).

JLS's self-titled debut continued to climb, 17-8, while Johnny Cash's posthumous "American VI: Ain't No Grave" (American/Sony Music Entertainment) entered at No. 9, mirroring the debut of its 2006 predecessor. Folk/Americana-influenced London band Mumford & Sons [15] returned 18-10 with their debut album "Sigh No More" (Universal Island), Rihanna's "Rated R" improved ten places to No. 16 and veteran hitmakers the Hollies [16], who will be inducted into the Rock & Roll Hall of Fame March 15, entered at No. 23 with the new double CD "Midas Touch - The Very Best of the Holles" (EMI).

Sade [17]'s "Soldier of Love" (Epic/Sony Music Entertainment) is in a second week atop Billboard's European Albums chart, while Ke$ha leads European Hot 100 Singles for a fourth week with "Tik Tok" (RCA/Sony Music Entertainment).