Another Olsen Hookup

While her sister Ashley has been busy playing tonsil hockey with Lance Armstrong, Mary-Kate Olsen has been busy with her own new man...only problem is he's been busy with other women.

According to the NY Post Mary-Kate, who was introduced to her new man New York Rangers Sean Avery by a mutual pal, is already feeling the burn of her new relationship. Multiple sources confirm that Avery is still seeing his ex Lake Bell behind Mary-Kate's back. Shady shady!

Source: hollyscoop.com