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.

While presenting on the 2024 Grammys stage with Maluma, Christina Aguilera, 43, slayed in her outfit at the Crypto.com Arena in Los Angeles on Sunday, February 4. Christina wore a sky blue ...