Yeah, I find that some of them are. Some are easier like California Gurls, POM, and TOTGA but even CG has very few breaks.
But Firework is a vocalist's nightmare. Wide Awake is a close second.
The bridge in E.T. is hard to sing.
^ She doesn't bomb TD. In fact it's one of her better songs vocally.
Also idk if it's just me, but it's so easy for me to go flat on her songs.
