Billboard Bits serves up the best bite-sized nuggets of music news and gossip.

Beyoncé Addresses Baby Rumors

While Beyoncé's decision to take a break earlier this year prompted rumors that she and husband Jay-Z are looking to have children, the singer says that there are "no dates, no times" expected for a baby. "My ambition is to continue to learn about the world and to eventually have a family," said Beyoncé, who has been using her time away from music to promote her first signature perfume, Heat. (The Daily Mail)

Deadmau5 Tapped As VMA House Artist

MTV has tapped Deadmau5 to be the house artist for the 2010 VMAs, where the electronic act will play original remixes of various artists' hits throughout the show. "It's a wicked honor and privilege to do whatever the hell it is I am doing at the 2010 VMA's, and I am super stoked," said Deadmau5 (aka Joel Zimmerman), who follows in the footsteps of previous VMA house artists Travis Barker, DJ AM, Mark Ronson and Wale. 

Arcade Fire Adds North American Dates

Arcade Fire have announced more North American tour dates that will fall in between different legs of the group's European trek. The band, which hit No. 1 on the Billboard 200 last week with third album "The Suburbs," kicks off the tour Sept. 22 in St. Paul, Minn.

Elvis Costello Prepares 'Ransom' For October

Elvis Costello will release his new album "National Ransom" on Nov. 2. The legendary singer/songwriter's follow-up to 2009's "Secret, Profane & Sugarcane" will again be produced by T-Bone Burnett. Guests artists include Vince Gill, Marc Ribot, Buddy Miller and Leon Russell. 

Nelly Dropping "5.0" in November

St. Louis rapper Nelly is set to release his sixth full-length studio album, "5.0," on Nov. 16. The album's first single, "Tippin in Da Club," was serviced to urban radio and features production by Dutch. "Just a Dream," the album's second single, boasts work by Jim Jonsin and Rico Love and was serviced to Top 40 radio.

K'Naan Readies Fall Tour

K'Naan has announced the dates of his fall U.S. tour following his summer stints in Johannesburg performing "Wavin' Flag" at the 2010 FIFA World Cup. The hip-hop artist will kick off the trek Oct. 8 in Philadelphia, Pa.

(Reporting by Courtney Baldasare and Jason Lipshutz)