Something tells us Sarah Rafferty was definitely chanting #Gram4Ham during Monday's Grammy Awards.

The Suits star can't get enough of Hamilton or the Broadway smash's addictive songs. But which one always gets stuck in her head? Watch the video above to find out, and to learn who's the most surprising person Rafferty follows on Twitter.

Suits: Will Donna and Harvey ever get together?

Suits airs Wednesdays at 10/9c on USA.