Summerfest books 16-year-old Bieber

Summerfest has added 16-year-old Canadian R&B-tinged pop sensation Justin Bieber to its Marcus Amphitheater lineup.

Bieber headlines the Marcus on Sunday, June 27 at 7 p.m.

Tickets go on sale Saturday, March 27 at noon -- and include Summerfest admission -- at the Marcus Amphitheater box office and via Ticketmaster. Patrons may also utilize "ticketfast" at Ticketmaster.com to print bar coded concert tickets from home. Fan club and V.I.P. pre-sale opportunities will be available through Ticketmaster.com beginning at 10 a.m. on Thursday, March 18.

Bieber's debut disc for Island Records, "My World," contains the hits "One Time," "Baby," "First Dance," featuring Usher, "Down to Earth" and "Bigger."

Sean Kingston will open the show.