invite (someone or oneself) to (something)
1. To offer someone the opportunity to attend something. Amber invited me to her party, but I already have plans that day, unfortunately.
2. To attend something despite not having been invited by the host. Usually conveys a sense of intrusion. In this usage, a reflexive pronoun is used between "invite" and "to." Of course I didn't invite Kelly—she invited herself to the mall with us!
invite someone to something
to bid or request someone to come to an event. Shall we invite Sally to the party? I didn't invite her. She invited herself to this affair.