Christina Aguilera to tour US with Leona Lewis

Christina Aguilera (29) has announced that she is to embark on a “global tour” in support of her new album. The singer has already posted 20 North American dates on her official site, beginning in Uncasville, Connecticut on July. 15 & ending in Irvine, California on August. 19.

She will be joined on the dates by Leona Lewis, who will complete her first UK tour shortly before Christina Aguilera‘s US trek begins.

Tickets for Aguilera’s US dates go on sale May. 21, with all fans who buy before June. 4 receiving a code to download the singer’s new album, Bionic, on June. 7 – a day before its official release.

Christina Aguilera also confirmed that she will make numerous high-profile US TV appearances before the tour begins, including “The Today Show” on June. 8, the “Late Show With David Letterman” on June. 9 and “Live! With Regis & Kelly” on June. 10.

Aguilera last toured in support of her Back To Basics album in 2006 and 2007.