Singer Chaka Khan has entered a drug rehabilitation program to combat her addiction to prescription painkillers.

Khan said in a July 10 statement that her decision to seek help was sparked by the recent death of her good friend, Prince. Khan -- whose 1984 hit "I Feel For You" was written by Prince -- is reportedly addicted to fentanyl, the same medication the musician overdosed on, according to the Associated Press.

"Unfortunately, I will miss concert appearances over the summer," she said. "However, it’s vital that I put my health and well-being first. I know that I am disappointing some of my fans, but I also know they would want me to recover and be well and healthy."

Khan and her sister, Yvonne Stevens — who goes by the stage name Taka Boom — have both entered rehab, saying that they "agreed we would take this journey together and support each other through the recovery."

"The tragic death of Prince has had us both rethinking and reevaluating our lives and priorities," they said in a statement. "We knew it was time to take action to save our lives. My sister and I would like to thank everyone for their support, love and prayers."

Khan's reps also posted a statement to her official website, reiterating that all July shows will be postponed.

"Chaka has struggled with a dependence on prescription pain medications and has voluntarily entered the program to get healthy and stay that way," the statement reads. "As part of the ongoing outpatient treatment the doctors have urged her to resume recording mid-July and commence all performances beginning August 1st and onward."

Head over to Chaka Khan's official website to read the statement in full.

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