As if we needed any more evidence that Christina Aguilera is thee experimental ... the singer has only gone and debuted bubble gum pink highlights in honor of Valentine's Day.

As if we needed any more evidence that Christina Aguilera is thee experimental ... the singer has only gone and debuted bubble gum pink highlights in honor of Valentine's Day.

As if we needed any more evidence that Christina Aguilera is thee experimental ... the singer has only gone and debuted bubble gum pink highlights in honour of Valentine's Day.

As if we needed any more evidence that Christina Aguilera is thee experimental hair muse of our ... choppy bangs and probably the most memorable style of all, hairstreaks and chunky highlights. But ...

As if we needed any more evidence that Christina Aguilera is thee experimental hair muse of our ... choppy bangs and probably the most memorable style of all, hairstreaks and chunky highlights. But ...