Kesha got a sweet gift from a famous fan ahead of her concert at New York City's Madison Square Garden on Wednesday, July 23. The "Tik Tok" artist, 38, revealed that fellow singer Cassie sent her a bouquet of light pink roses to celebrate her turn on the stage at NYC's most iconic venue. "Thank u Cassie ," Kesha tweeted on Wednesday alongside a photo of the flowers in a vase backstage. "Love you sweet girl. my good luck angel for MSG." Kesha also mentioned the flowers during the show, telling the crowd about Cassie's gift during an emotional moment.