The 'Where Have You Been' singer told Esquire that she would like to just watch the Girls Aloud star doing housework.
"Cheryl Cole is hot. I would just like to watch her work," Rihanna said. "Preferably cleaning things on the floor. Picking up stuff on the floor. Bending over.
"She's hot! I mean, literally - she's so beautiful."
Rihanna also revealed that she wants to be in a serious relationship within five years.
"Hopefully I'll have a man by then. I've gotta start there, right?" the 24-year-old said.
The full interview appears in the July issue of Esquire, on sale this Monday, June 4.
Cole recently said that she loves Rihanna's carefree attitude and approach to life.
Rihanna is rumoured to have got back together with rapper Drake, after they casually dated in 2011.