Marina & the Diamonds, Lykke Li, Regina Spektor, Janelle Monae, Kimbra, Anna Calvi, Miguel, Elle Varner, Gotye, Foster the People.

I'd also say Florence + the Machine, but she's enjoying more success than all the aforementioned artists, so I guess she's doing well enough. I wouldn't mind it if she became more popular, though.

Janelle Monae
Lana Del Rey

I want Leona, Ellie, and Christina to smash again Especially Leona, she's too talented to be paid dust

Sky Ferreira.

I would use up all my success wish on her.

Sara Bareilles, Vanessa Carlton, Stacie Orrico, Natasha Bedingfield & Jojo

Bonnie, Neon Hitch, Little Mix, like all of my irrelevant faves.

And Avirl like omg.

No Doubt has to smash again

P&S was a flawless album

Lights

Marina and the diamonds, Leona Lewis, Sara Bareilles, etc...

This tbh.

In answer to the question, Janelle Monae. I'm sick of the GP paying the Archandroid dust.

Austin Mahone

Ellie Goulding (In the US)
Skylar Grey
Diana DeGarmo

Jake Bugg, Best Coast, Paramore, Nicola Roberts... and Avril, of course.

Natalia kills, Marina, Lights, Florence (even harder I mean) and avril again I could go on forever though.

Khia

Most of my favs. Lol.