Adele addressed the crowd at American Airlines Arena, saying: “Don’t vote for him, that’s what I’m saying. I support Hillary 100 percent!”
Although the beloved British singer can’t vote in the November U.S. election, she wanted her fans to know who she aligns with.
Clinton turns 69 on Wednesday, and to mark the occasion she was given a birthday cake on Univision's El Gordo y la Flaca, a Spanish-language TV show.
She also danced the salsa and was given cookies by one of the show's regulars.
The Democratic presidential nominee was also offered a bottle of tequila and said: “Look what happens if you drink too much,” and pointed to a worm in the bottle of booze.
'What is better than this?' Clinton said after all the festivities came to an end.