Christina Aguilera Recording with Le Tigre

Christina Aguilera sure has come a long way from her "Genie in a Bottle" days. For her upcoming September album, Light & Darkness, she recorded songs with British electronic acts Goldfrapp and Ladytron, plus former Zero 7 singer Sia, as SPIN.com reported last summer.

Now, Perez Hilton says that über-feminist punk group Le Tigre will join "Xtina" in the studio to work on the album.

Known for their bold lyrics and outspoken support of gay/lesbian and women's rights, Le Tigre had been on a musical hiatus since 2007. Dogged by rumors of a split, singer Kathleen Hanna (formerly of the "riot grrrl" band Bikini Kill) took to the group's MySpace in April to proclaim that Le Tigre had not broken up. And now comes this news.

In fact, Sia might be the one responsible for getting Le Tigre on board with the project. She and bandmember JD Samsom have been romantically linked -- and as she told SPIN.com, she thinks Christina is "rad"!