Avril Lavigne has a good idea for Britney Spears! The 36-year-old “Sk8er Boi” singer-songwriter left a comment on the 39-year-old Glory pop icon’s Instagram, where Britney posted a photo of herself in a bright green zip-up outfit on Tuesday (May 11). PHOTOS: Check out the latest pics of Britney Spears “I missed Halloween last year
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