Bruno Mars has been the big winner at Grammys - taking six awards, including a clean sweep of the big three prizes.
24K Magic was named best album and record, while he won song of the year for That's What I Like.
Kendrick Lamar won five awards - including best rap performance for his song Loyalty, which features Rihanna.
Ed Sheeran claimed best pop vocal album and best pop solo performance - although he wasn't at the event in New York overnight to collect the prizes.
Elsewhere, there was a posthumous award for Leonard Cohen for best rock performance.
The late Carrie Fisher was also honoured for best spoken word album with her reading of her memoir The Princess Diarist.
— CNN (@CNN) January 29, 2018
The MeToo and Time's Up campaigns featured prominently at the star-studded ceremony - with stars such as Lady Gaga, Rita Ora and Sam Smith among those wearing or holding a symbolic flower to show support for the campaigns.
Elton John - who appeared only days after announcing his farewell tour - performed with a white rose on top of his piano.
Hillary Clinton, meanwhile, was among those featured in a parody sketch that saw celebrities read excerpts from Michael Wolffs's controversial book about the Trump administration, Fire And Fury.
On the hunt for a GRAMMY Award of his own, James Corden auditions celebrities for the spoken word version of Michael Wolff's "Fire and Fury." pic.twitter.com/SjTobAbv2N
— The Late Late Show with James Corden (@latelateshow) January 29, 2018