Christina Aguilera and Ellen DeGeneres (Michael Rozman/Warner Bros.)

Christina Aguilera and Ellen DeGeneres

*Christina Aguilera sang snippets of Whitney Houston, Beyonce, Rihanna, Adele and more during a visit to “The Ellen DeGeneres Show.”

During the episode, which airs Monday (May 16), Xtina and Ellen played a game of Heads Up, where the category was famous female singers. The game started with Whitney (Aguilera began the chorus of “I Will Always Love You”), before moving on to Madonna, Beyoncé, Rihanna, Katy Perry, Lady Gaga and others.

For Adele, she simply spoke the word, “Hello.”

Watch below: