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Millions of viewers of CBS’s telecast of the 57th Annual Grammy Awards followed along on Facebook and Twitter — but the No. 1 moment that captured the most chatter on the different platforms diverged.

On Facebook, 17 million people worldwide had 45 million interactions related to the Grammys on
on Sunday during the broadcast. The top social moments on the world’s biggest social service were: crooner Sam Smith winning Record of the Year; AC/DC opening the show; and Madonna’s performance of “Living for Love.”

Twitter said there 20.9 million tweets globally from 5-11:40 p.m. ET on Sunday — resulting in 1.6 billion views — with the most-tweeted point coming when Beck won Album of the Year — and Kanye West jumped on stage in a bizarre interaction that looked like West was trying to argue that Beyonce should have won, as he did at the 2009 MTV Video Music Awards, infamously interrupting Taylor Swift.

The Beck-West incident on Twitter, in terms of tweets-per-minute, was followed by Madonna’s perf and Sam Smith winning his fourth Grammy of the night, for Record of the Year, sweeping the top categories. The five most-talked-about artists on Twitter were: Kanye West, Sam Smith, Beyonce, Ed Sheeran and Iggy Azalea.

On Facebook, artists posting on their pages about the Grammys included Madonna celebrating her performance:

Meanwhile, according to TiVo, the most-rewatched moments by users of the company’s DVRs were Madonna’s performance; Sam Smith’s win for Best Pop Vocal Album; and Pharrell’s perf of his hit “Happy,” from “Despicable Me 2” (which was a Grammy winner for Best Pop Solo Performance and Best Music Video).