RCA Records has nailed down an April 17 release date for Avril Lavigne [ tickets ]'s third full-length studio album, "The Best Damn Thing."

The new set, which is the pop-punk singer's follow-up to 2004's triple-platinum "Under My Skin," will feature the lead-off single "Girlfriend," a track Lavigne co-wrote with Dr. Luke. The song's music video is scheduled to premiere Feb. 26, and the single will turn up at radio stations March 5, according to RCA.

A deluxe edition of Beck [ tickets ]'s critically acclaimed 2006 album, "The Information," is due out Feb. 27, according to his publicist. Originally released as a single CD last October, the new version will comprise three discs: one audio CD containing the original set's 15 songs, as well as three bonus tracks; a second audio CD featuring remixes of several cuts; and a DVD housing homemade videos for each of the album's songs.

Toni Braxton [ tickets ] has filed a lawsuit against her former manager, Barry Hankerson, for fraud and breach of contract, according to a press release issued by her attorney.

The suit claims that Hankerson "was guilty of a conflict of interest and fraud when he caused Ms. Braxton to leave Arista Records and join Hankerson's own label, Blackground."

Braxton is seeking $10 million in damages and a voiding of her Blackground Records contract.

Canadian rockers Nickelback [ tickets ] will donate to charity all of the proceeds from digital sales of their new single and video "If Everyone Cared," according to a press release. Donations will be made to Amnesty International, as wella s International Awareness Canada, a charity that Nickelback guitarist Ryan Peake has supported for several years.