updated 01/12/2012 AT 6:00 AM ET
•originally published 01/12/2012 AT 5:30 AM ET
Perry, whose 14-month marriage to Russell Brand ended last month, was honored in five categories, as favorite female artist, tour headliner and for song of the year for “ET” with Kanye West, music video for “Last Friday Night” and TV guest star for How I Met Your Mother.
Nevertheless, the singer Tweeted her gratitude to her fans, writing, “THANK U to every1 who voted for me for the @peopleschoice tonight! We won so many! Now I need to get more books 2 successfully display them!”
The biggest ovation at the event, which was broadcast on CBS, went to Betty White, who is celebrating her 90th birthday. On stage with her costars from the best cable comedy show winner Hot in Cleveland, she modestly told the crowd, “I haven’t done anything.”
Among the other winners in the 43 categories, Harry Potter And The Deathly Hallows: Part 2 took four awards – favorite movie, action movie, book adaptation and ensemble movie cast, although no stars from the film attended.
For a complete list of winners, click here.