Since Tia Mowry-Hardrict is one half of the original Sister Sister duo, it was essential for us to ask her about the other famous sisterly celeb pairs out there in Hollywood. We were banking on Tia telling us that the Kardashians were her favorite sister team, but that's not the answer she gave us!
Here are a few helpful hints: They're both moms, they're both blonde, they both can sing a tune, and we pretty much want take a vacation in their wardrobes.
Do you have a favorite celeb sister duo? Tweet @OKMagazine and leave a comment below.