Tantrums!....and more Tantrums!

Hey mamas, long time no hear. Lol it's been awhile since I've been on here, but I'm in need. My LO is entering terrible 2s and the funny part about it when you're a first time mom nobody warns you about terrible 1½ lmfao. My baby is a fire cracker and while that's the case, she is also very smart and catches on quick. When out in public, she chooses to throw tantrums and it's to the point redirection isn't working. She started to say shut up when she was 10 months I belive and now she's picking up bad language and tells me no 95% of the time. Hitting is a bonus may I add! When I tell her not to do something, and or stop, she says no mommy or shut up mommy! I'm aware she's figuring out emotions but man am'I exhausted lol help a sista out lol