Quiz: Which TV Twins Are Played by ‘Real’ Twins?

Liv and Maddie, Sister Sister, The Simpsons
Clockwise from left: Craig Sjodin/Disney Channel; Everett Collection; FOX
Liv and Maddie, Sister Sister, The Simpsons

TV loves twins. But actual identical twins account for about one in 400 births–not nearly enough supply for the demand created by mistaken identity plotlines. (So. Much. Mistaken. Identity.) Here, guess which famous TV twins are real-life twosomes – and which are the work of one busy star pulling double duty.