She also tweeted a photo of her new engagement ring . She 's been married to MTV 's Chad Kroeger for a year . The present is bigger than Lavigne 's engagement ring . She later removed her tweet without explanation .
Avril Lavigne tweeted a photo of her 17-carat diamond ring . She 's been married to Nickelback 's Chad Kroeger for a year . The present is bigger than Lavigne 's engagement ring . Lavigne later removed her tweet without explanation .