Motto idea:

“I didn’t become a singer because I loved singing or thought I had a good voice … I wanted to be an artist and have a job I could invest my ideas in.”

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Since I don't really have any submissions for a banner, I think the ones posted here would do and as for the icon, I think it's more fitting to have an icon that would match the banner and I don't have any icons that would fit them, unfortunately. :/

But I do have a couple of quotes from her that could be used:

"My worst fear—that's anyone's worst fear—is losing myself and becoming a vacuous person. And that happens a lot when you're very ambitious."

"I'm not the type of girl who writes songs like 'Baby, I really love you, please come back'. I was more, 'I hope you get screwed over by another girl!'"

"I had a broken heart and I wasn't used to having power taken away from me so I started writing and flipped the situation so I became the heartbreaker. It made me get over the pain and made me a stronger woman through the best songs I've ever written."

Oh, & I found this:
link
They aren't exactly all quotes but there are a lot of memorable/striking quotes there that might be used. :3

motto: i rather change thousands hearts than have millions listening to me

Motto #1: 'Cause I'm a primadonna girl, yeah
All I ever wanted was the world

Mottot #2: I’m gonna be your bubblegum bitch

Mottot #3: Got a figure like a pinup,
Got a figure like a doll.
Don’t care if you think I’m dumb,
I don’t care at all.

Mottot #4: I’m miss sugar pink liquor liquor lips
Hit me with your sweet love, steal me with a kiss.

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