Christina Aguilera showed off pink hair streaks in a Valentine's Day post shared to her Instagram. See Christina Aguilera's new pink hair here.

As if we needed any more evidence that Christina Aguilera is thee experimental hair muse of our generation (read: she is the ...

Silver and white also feel particularly wintry, but Christina Aguilera is making a strong case for adding pink to our holiday traditions by debuting a fun—and arguably festive—new hair color.