Avril Lavigne

See all the celebs who have made surprise appearances on Taylor Swift's '1989 World Tour.'

The singer made her first performance in over a year.

The singer tells 'Good Morning America' about the sickness that left her totally bedridden.

In October it was announced that Avril Lavigne, who is engaged to Chad Kroeger, would release a cover of Nickelback's 'How You Remind Me,' and now, Chavril fans, that moment is here.

When faux punk-rocker Avril Lavigne and Nickelback frontman Chad Kroeger announced their engagement in August, the jokes flew fast and furious. Neither of these two are particularly well-respected in musical circles, so it almost seemed like they were taking one for the team by pairing up on their own. But if you're excited about the upcoming nuptials, there's a T-shirt to say so publicly. Just ma

Avril Lavigne and Chad Kroeger’s six month courtship may have been Hollywood (and the world’s) best kept secret. But now that the two have announced their plans to get married, and shocked everyone in the process, they’ve been flaunting their happiness, engagement, and 14-carat engagement ring in everyone’s faces…on the cover of Hello! Canada.

Those reports about Avril Lavigne splitting with Brody Jenner, her boyfriend of two years, may have been premature. Both expressed their love for each other yesterday via Twitter, with Jenner in particular taking offense at the breakup rumors.

In Avril Lavigne‘s words: What the hell? On Nov. 6, TMZ reported that the punky popster was in a fight with five other girls at the Roosevelt Hotel in Hollywood. Apparently, her boyfriend Brody Jenner also got involved, and both Lavigne and her ‘Laguna Beach’ boo were seriously injured.

A Carol Stream, Illinois man is getting his day in court after allegedly killing his 61-year-old mother after she wouldn't get him Avril Lavigne tickets. 39-year-old Robert Lyons supposedly got angry with his mother -- Linda Bolek, 61-years-old -- when she wouldn't call a friend to get him skybox seats to a 2008 Avril Lavigne concert. Find out more after the jump.