WATCH: Remembering Whitney Houston

Whitney Houston in 2006. The pop diva passed away Saturday at the age of 48. (AP Photo)Friends and fans reacted with shock and sadness on Saturday, as news spread that pop music legend Whitney Houston had been found dead in her Beverly Hills Hotel. She was 48. The cause of death was not immediately known.

"Mine is only one of the millions of hearts broken over the death of Whitney Houston," Dolly Parton said in a statement. "I will always be grateful and in awe of the wonderful performance she did on my song, and I can truly say from the bottom of my heart, 'Whitney, I will always love you. You will be missed.'"

"No words! Just tears #DearWhitney," tweeted Rihanna.

"Such a loss. One of the greatest voices of our time. Sending ut prayers to her faily...#R.I.P Whitney." Jennifer Lopez said on Twtitter.

"R.I.P. Whitney Houston, I've always idolized her and her amazing talent," Michael Jackson's daughter Paris tweeted.

"My heart is weeping... RIP to the Legendary Diva & Icon Whitney Houston!!!!! Such an incredible ifluence over music as a whole," Toni Braxton said.

Houston -- the daughter of gospel singer Sissy Houston, the niece of Dionne Warwick and Dee Dee Warwock, and the god-daughter of Aretha Franklin -- starting singing in church choirs at the age of 11, but burst onto pop music scene when she was 21, in February 1985, with her debut single "You Give Good Love." Hit after hit followed; her performance of the National Anthem at Super Bowl XXV is widely considered to be one of the best renditions of the songs in sports history.

Here are a few of her biggest and brightest moments in music:













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