It's been a big couple of days for the Knowles family. This past Sunday, glam-mama Tina (who was responsible for designing Destiny's Child's epic BITD looks) tied the knot with her beau Richard Lawson onboard a massive yacht. And today, the Internet has officially been broken with this big reveal: Beyoncé and Solange have a new stepsister, who's racked up quite an impressive IMDB page. Her name's Bianca Lawson, and you may recognize her from Teen Wolf, The Vampire Diaries and most notably Pretty Little Liars, which she starred in as Emily's gorgeous girlfriend Maya St. Germain (pictured). OK, we're so into this — who knew the Knowles' could get even more talented? But our real burning question is, do you think the power trio will sit around talking about A's real identity? We can only hope...

How Gigi Hadid won Coachella in ASOS.

See more fashion news.