Time to set your TiVos! Avril Lavigne will be appearing on MTV's "10 On Top" tomorrow at 11:30 AM. But in case you can't wait that long, MTV has released two previews of their new interview with Avril. In the first preview, Avril talks about battling it out for the top spot on iTunes with Kanye West and Britney Spears and in the second preview Avril shares her thoughts on Glee! Click here to To view the link you have to Register and make sure to tune in for more of the interview tomorrow!