Are Rosalie and Emmett married and Alice and Jasper?

Rosalie and Emmett:
They have been married several times, since Rosalie enjoys the ceremony and the attention that it brings her.

Alice and Jasper:
Alice and Jasper have been together since the 1950s. They are stated to be soul mates and have been married legally once.

well rose and emmet sometimes pretend like they are getting married but i don't really thik its official