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Is Chavril back on?!

Avril Lavigne and Chad Kroeger announced they were splitting five months ago, so it came as quite a shock when the estranged spouses walked the red carpet together at Clive Davis' pre-Grammys party over the weekend. All signs point to a reconciliation!

They were married for two years before calling it quits, but interestingly enough, they've never filed for divorce. During that period, the Canadian songstress was diagnosed with Lyme's disease and went public with her health struggle.

Why do they have to go and make things so complicated?!