BET Awards 2011: Watch Beyonce Perform 'Best Thing I Never Had,' 'The End of Time' (Video)

Beyonce did double duty Sunday night, performing at the Glastonbury music festival and the BET Awards.

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Her performances of the songs "Best Thing I Never Had" and "The End of Time" were beamed via satellite to viewers of the awards show, whicih was held at the Shrine Auditorium in Los Angeles.

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At Glastonbury, Beyonce performed a 90-minute show in front of an estimated 175,000 people. Her set opened with "Crazy In Love" and included chart-toppers “Single Ladies,” “If I Were a Boy,” “Telephone” and “Irreplaceable,” several Destiny’s Child favorites (among them: “Survivor,” “Independent Women,” “Jumpin’ Jumpin’” and “Say My Name”), along with a couple of covers, including snippets of Alanis Morissette’s “You Oughtta Know” and the Eurythmics’ “Sweet Dreams.”

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Mid-set, the singer prompted the crowd for a shout-out to BET.

Her performance closed out the BET Awards, which also featured performances from Chris Brown and Busta Rhymes; Mary J. Blige and Anita Baker; Rick Ross, Lil Wayne, DJ Khaled and Ace Hood; Alicia Keys and Bruno Mars; Jill Scott and Trey Songz; Donnie McClurkin, Mary Mary and Deitrick Haddon; and a tribute to Patti LaBelle that featured Cee Lo Green and others.