NEW YORK (REUTERS) – The Black Eyed Peas led the Billboard Hot 100 for a second week with "Imma Be," while Young Money's "BedRock" rose one to No. 2.

Lady Antebellum's "Need You Now" climbed two to No. 3, returning to its prior peak. Ke$ha's "TiK ToK" fell two to No. 4, while Lady Gaga dipped one to No. 5 with "Bad Romance."

Train's "Hey, Soul Sister" (No. 6) and Ludacris' "How Low" (No. 7) each rose one spot.

Rihanna captured her 14th top-10 hit as "Rude Boy" soared 15 places to No. 8, and the singer now ties with Ludacris for the most entries since 2000. Only Jay-Z, with 15, has more.

Trey Songz's "Say Aah" rose one to No. 9, swapping places with Jason Derulo's "In My Head.

Ludacris appears on the chart's top two debuts. His own "My Chick Bad," featuring Nicki Minaj, opened at No. 46 while he's featured on British newcomer Taio Cruz's "Break Your Heart," which started at No. 53.

Kris Allen arrived at No. 63 with a live version of "Let It Be," culled from the February 25 edition of "American Idol." All proceeds go to Haiti relief efforts. Meanwhile, the all-star charity remake of "We Are The World" slid 30 places to No. 6 in its third week.

Reggae vocalist Matisyahu posted his second Hot 100 appearance as "One Day" opened at No. 90. The song was featured heavily during NBC's coverage of the XXI Winter Olympics. He last appeared on the chart with "King Without A Crown" (No. 28 peak in 2006).

Rounding out this week's eight new debuts were Trey Songz's "Neighbors Know My Name" (No. 88), "Women Lie, Men Lie" by Yo Gotti featuring Lil Wayne (No. 93) and Joe Nichols' "Gimmie That Girl" (No. 98).