Could be a pride thing. Some people just prefer to make their own friends, not have them handed to them by a well-meaning socialite do-gooder.
It’s also possible that Blossom has a certain preference when it comes to her acquaintances; being a bully, she only hangs out with people she can control or intimidate. Shauna is one person she can’t intimidate, so she doesn’t trust her.
Could be a pride thing. Some people just prefer to make their own friends, not have them handed to them by a well-meaning socialite do-gooder.
It’s also possible that Blossom has a certain preference when it comes to her acquaintances; being a bully, she only hangs out with people she can control or intimidate. Shauna is one person she can’t intimidate, so she doesn’t trust her.