Gluttony (The 7 Series)

Gina - better known as Gigi to her adoring fan base - is a children's TV entertainer and household name. There was a time when she longed for the fame she has now. But that initial shine has dulled, and now Gina feels as though all anyone does is ask for more, more, more. More energy. More new songs. More merch.
Palmer, Gina’s long time personal assistant, is tired of walking on eggshells around her burnt out boss, and is finally ready to pursue her dreams of operating her own hotel chain.
So when Gina opens an email from Palmer and hears she's got one month to find a new assistant, the thread that she had been hanging on by snaps. Gina is ready to take, take, take from anyone who stands in her path. Palmer knew Gina would break one day, but it's so much worse than she could have imagined.