Christine McVie, the singer-songwriter who helped catapult the rock group Fleetwood Mac to international success, died Wednesday at the age of 79, the band and her family announced on social media.

In a group statement posted to Twitter Wednesday, the band said:

"There are no words to describe our sadness at the passing of Christine McVie. She was truly one-of-a-kind, special and talented beyond measure. She was the best musician anyone could have in their band and the best friend anyone could have in their life. We were so lucky to have a life with her. Individually and together, we cherished Christine deeply and are thankful for the amazing memories we have. She will be so very missed."

On Instagram, McVie's family said she "passed away peacefully" surrounded by loved ones at a hospital after a "short illness."

"We kindly ask that you respect the family's privacy at this extremely painful time, and we would like everyone to keep Christine in their hearts and remember the life of an incredible human being, and revered musician who was loved universally."

The incredibly talented Christine McVie wrote some of Fleetwood Mac's most cherished lyrics, including for global hits like "Everywhere," "Little Lies", "Don't Stop" and "You Make Loving Fun".

McVie, born Christine Anne Perfect on July 12, 1943, and Fleetwood Mac bass guitarist John McVie were once married, and, along with the tumultuous connection between bandmates Stevie Nicks and Linsdey Buckingham, their explosive relationship was one of the driving forces behind the band's massively popular 1977 album "Rumours", one of the best-selling albums of all time.

Fleetwood Mac, named after its rhythm players, drummer Mick Fleetwood and bassist John McVie, previously members of John Mayall’s Bluesbreakers, have sold over 100 million records worldwide. With her ex-husband and other band members of the ‘60s and ‘70s, Christine McVie was inducted into the Rock and Roll Hall of Fame in 1998.

McVie released three solo albums; her eponymous 1984 release was the only one to reach the American charts, peaking at No. 26.

Rest in peace to a true rock legend. There will never be another Christine McVie.

Fleetwood Mac - You Make Loving Fun - YouTube

Fleetwood Mac - Little Lies (Official Music Video) - YouTube

Fleetwood Mac - Don't Stop (Official Music Video) - YouTube

Fleetwood Mac - Everywhere (Official Music Video) - YouTube

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