With a Grammy and a No. 1 album already under his belt, Brown will be performing less than two months before his fifth studio album, "Fortune," drops on July 3. His previous release, 2011's "F.A.M.E." debuted at No. 1 on the Billboard 200, with 872,000 copies sold according to Nielsen SoundScan. His latest single, "Turn Up the Music," debuted at No. 10 on the Hot 100 and he's currently at No. 2 on the Hot R&B/Hip-Hop Songs chart with his Rihanna collab, "Birthday Cake." The R&B star is also a finalist in four Billboard Music Awards categories, including Top Male Artist.

Additional acts will be announced in the coming days.

Adele, LMFAO, Rihanna, Lady Gaga and Lil Wayne are the leading finalists. Adele takes the lead as a finalist in 18 award categories, while LMFAO is a finalist in 17 categories. Rihanna lands in 13 categories this year, after leading the pack with 18 category appearances in 2011. Lady Gaga and Lil Wayne each snagged a spot in 10 categories. See a full list of finalists here.

Hosting this year's event will be "Modern Family" co-stars Julie Bowen and Ty Burrell.

Tickets for the 2012 Billboard Music Awards are now on sale at Ticketmaster.com and MGMGrand.com. The 2012 Billboard Music Awards will be co-executive produced by Richard D. Beckman, CEO of Prometheus Global Media and Don Mischer Productions.