Cassie Ventura sent Kesha roses during Kesha's latest tour, prompting Kesha to give her a shoutout at the end of her show in Madison Square Garden. Now, fans want to see them collaborate.

Ventura, who performs under the name Cassie, rose to fame with the single "Me & U" on her self-titled debut album. The song landed the No. 1 spot on the Billboard Hot R&B/Hip-Hop chart in 2006.