When she sees what Rainbow Dash accidentally did to Twilight's hair, she is compelled to give the latter a makeover.
He expects Rarity to care for him while doing nothing in return.
Rarity tries to be patient with the prince's manner, but his selfish ways finally exhaust her patience when Blueblood uses her as a shield from an incoming cake.
During running sequences, Lemon Hearts has the same eye shape as Rarity as well.
In The Best Night Ever, Rarity puts fake eyelashes on before going to the Grand Galloping Gala.
She then angrily declares him to be "a royal pain" and splatters frosting all over him.