Ariel Winter covers Taylor Swift's 'I Knew You Were Trouble' - watch!

Turns out Alex Dunphy isn't just a brain -- she can sing, too!

"Modern Family" star Ariel Winter posted a video Wednesday (Jan. 23) of herself singing one of Taylor Swift's infamous break-up songs, "I Knew You Were Trouble." She's been busy tweeting about it too:

• Here it is I hope you like it @taylorswift13 #TaylorSwift #IKnewYouWereTrouble #arielmusic http://youtu.be/L-O2Wm7xmsE
• Everyone watch and spread the word!!! :) thank you so much for the support and for everything! Hope you love
• Thank you all so much for the support!!! Love you guys, so appreciative!

So far Taylor Swift is mum on the subject, but we don't think that will last too long. It's nice to see Winter having some fun in light of her recent family troubles. They should definitely utilize this talent on the TV show, don't you think?