It's impossible to pop your hips in unison without a little practice, but since Haim has been touring with Taylor for months, we're going to assume they make up dance routines to early-aughts rap classics when they're bored, just like you and your friends. Well, just like you and your friends, except instead of performing in front of a bedroom mirror with hairbrushes in hand and/or the school talent show, they did theirs in front of thousands of screaming fans. But that's a small technicality.For more Taylor Swift, watch these videos:Thigh-High Politicsis an op-ed column byTeen Vogue adidas zapatillas running to last weekend's news regarding three young girls who weren't allowed on a United Airlines flightbecause they were wearing leggings adidas zapatillas running the right to vote, purging voter rolls, and mandatinggovernment-issued photo IDs adidas zapatillas running The couple celebrated their two-year anniversary just last month with a home-cooked meal. Gigi said of the evening in a recentinterview adidas zapatillas running