What singer with #1 hit played role in movie of another singer with a #1 hit?

Question

Jennifer Lopez was a recording artist who played the role of Selena in the movie. But Selena never had a # 1 hit.
I know of at least one female singer with a #1 hit who played the role in a movie about another female singer with a #1 hit.
Can you name both singers and the names of their #1 hits?

Answer 1

Diana Ross played Billie Holiday in Lady Sings The Blues

Answer 2

a million- Love tale - Ryan Oneil - Ali Mcgraw plot: What makes this action picture a super love tale is it shows the sacrifices people who love one yet another make as a fashion to love one yet another in spite of the percentages and the disapproval of others. 2- Officer and A Gentleman - Richard Gere Plot: a youthful guy could comprehensive his artwork at a army Flight college to enhance into an aviator, with the aid of a annoying gunnery sergeant and his new lady buddy. 3- long gone With the Wind - Vivian Leigh - Clark Gable Plot: American classic wherein a manipulative female and a roguish guy shop on a turbulent love affair interior the yank south throughout the time of the Civil conflict and Reconstruction. 4-The English affected person - Ralph Fiennes, Juliette Binoche Plot: on the close of WWII, a youthful nurse has a tendency to a badly-burned plane crash sufferer. His previous is shown in flashbacks, revealing an involvement in a fateful love affair. 5-noticeably female - Richard Gere - Julia Roberts - Plot: a guy in a criminal yet hurtful employer desires an escort for some social events, and hires a desirable prostitute he meets… just to fall in love. 6- Sleepless in Seatle - Tom Hanks - Meg Ryan Plot: A these days-widowed guy’s son calls a radio talk instruct in an attempt to locate his father an significant different. 7-Notting Hill - Julia Roberts - Hugh furnish - Plot: The life of an basic e book place proprietor transformations whilst the main usual celebrity interior the international walks in his shop and buys a e book… (advantageous action picture I watch it for the 1st time 2 days in the past and that i like it) 8- jointly as you have been slumbering - Sandra Bullock - bill pullman 9- surgeon Zhivago - Omar El sherif - Julie Christie Plot: Set in Russia, the action picture chronicles the life and loves of surgeon and poet Yuri Zhivago (Sharif), centering around the era of awful upheaval led to via international conflict I and the Russian Revolution 10- Ghost - Demi Moore - Patrick Swayze - plot: almost immediately after entering right into a clean ny house, a pair of enthusiasts are separated via a highway thug's bullet. speaking with the aid of a frazzled fake medium, the guy's ghost tries to avenge his dying and shield his lady buddy.