At her 26th birthday party in Las Vegas, Ashley showed off her blonde-again locks. This babe's always changing her hair color, but we much prefer her darker, brunette hair, which is more flattering, don't you?
Meanwhile, 'Nessa was snapped on the set of Gimme Shelter rocking a supershort cut for her role as a homeless girl.
It's gotta be a wig...right?!
Nope, Vanessa's chop job is the real deal.
"Oh man, it's really intense," she told Access Hollywood about her short hair. "I'm still getting used to it. I kind of feel like a soccer mom, but we're going to let that go."
Unlike her bestie Ash, Vanessa's never made any dramatic changes to her hair, wearing them long and wavy on nearly every red carpet—so this was obviously a huge deal.
"I miss [my hair,] believe me, I do, but there's nothing I can do about it."
So which starlet's 'do do you think is a don't? Weigh in below!