Avril and Chad even documented their date night on the social media site.
"Grammy Party ….. Feeling great. Lovely night," the 31-year-old singer captioned one photo.
The two looked cozy throughout the evening, leaning close to each other as they sat at a table with Alice Cooper, Paul Stanley and Gene Simmons.
We can only speculate about their relationship status as neither Lavigne nor Kroeger has publicly commented on their potential reconciliation. Do you think they're getting back together? Sound off with your predictions below!