Kellie Gerardi has had an out-of-this world week, but not because of her day job.

The Virgin Galactic astronaut and influencer , 36, has a new title as of about a week ago. Named Godmother of Royal Caribbean’s Star of the Seas , the newest and biggest ship in the world, Gerardi entered a new frontier on Aug. 20, when she helped christen the ocean liner during a splashy ceremony in Cape Canaveral, Fla.

But days prior, the Florida native had no clue she’d have such a gig, which was originally assigned to Diana Ross , who dropped out last minute due to unforeseen circumstances. Gerardi also didn't know there was an even bigger surprise in the works.

“For me this week in particular has truly, without exaggeration, been one of the best weeks of my life,” Gerardi tells PEOPLE just

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