Shes one of the go-to guest-hosts and is clearly one of the gang.
(Kate McKinnon and Leslie Jones will star with McCarthy and Kristen Wiig inGhostbusterslater this summer.)
She enters a field that doesnt have a weak link, however.

Credit: Dana Edelson/NBC
Larry David made a big splash after his episode, with more than 66 percent of the vote.
(That even tops Bernie Sanders numbers in New Hampshire!)
Ronda Rousey was one-and-done, dropping from first to fifth.
More specifically, who do you hope gets invited back next year?
Whose show had your boss, your mom, and your roommate still giggling on Monday morning?
Its subjective, of course, but lets reward the guest hosts who brought something special to the table.
Youre not voting on this one sketch alone; be sure to consider the entire episode.
Ultimately, well dismiss the less memorable hosts and crown a new Mr. or Ms. Saturday Night in May.
Watch and vote below.
Ryan Gosling
Tina Fey and Amy Poehler
Adam DriverLarry David
Melissa McCarthy