LOS ANGELES, March 25 (UPI) -- More than 10.6 million people tuned in to see Britney Spears guest star on Monday's episode of the U.S. sit-com "How I Met Your Mother," CBS said Tuesday.
The network said Spears's appearance propelled the show to the highest adult 18-49, and adult 25-54, ratings in its three-season history, as well as its best delivery of this season in viewers.