The 25-year-old Canadian rocker and her ex-husband were spotted at the Alice In Wonderland premiere after party together in London just before 2 a.m. Friday (February 25). Avril and Deryck left together in a waiting car but kept their distance once inside.

Deryck and Avril announced their separation in September of 2009 - “I am grateful for our time together, and I am grateful and blessed for our remaining friendship,” she wrote on her MySpace blog after the announcement.

Avril’s rep tells ET Canada that Avril and Deryck are just friends

Are Avril Lavigne and Deryck Whibley giving love a second shot?