Um.....I guess Britney could do that. It's cute....ehhh....it would do well the first few weeks then crash after no promotion. It would go Top 3, but probably not #1 and stay there for weeks and weeks like Katy because Britney wouldn't promote it.
It wouldn't be AS big of a hit as it was with Katy. Katy has a better push and edge to her voice to hit some of those notes But I can imagine Britney putting a twist on the song!
BUT STILL---> THE COTTON CANDY PRINCESS OF 2011 & 2012 TAKES IT FOR ME!
lol are people really saying the lyrics are too generic for Britney? She was the original queen of generic music/lyrics before Katy.
I think the visuals (music vids and image) during the Teenage Dream era helped Katy a lot and I couldn't see Britney pulling any of that off, so no it wouldn't have worked for her.