Part of Me and Troublemaker were my summer jams
Part of Me always reminds me of a California kind of summer and Troublemaker was my fave party jam. The Part of Me video seemed kinda strange at first though, it doesn't really match the song's happy attitude, but I kinda get the concept.
And yay for Dark Side and Stronger obviously, although I didn't like these videos as much as the rest of Kelly's videos.