It's Farrah Abraham!
No surprise here, right Teen Mom fans? Farrah's a professional model, among to her myriad of other talents (Passy Perfume, anyone?).
"Good Night #Sexy #Mami's have a great #week, all your hard work will pay off," she posted on Twitter.
Take note, ladies! From motherhood to modeling, no one kicks butt quite like Farrah Abraham.
Did you guess her identity or did we leave you stumped? Click here to test your knowledge with more Teen Mom "Guess Who?"