Photo Credit: TMZ I need to either marry rich or become a successful singer, because both come with some really sweet perks. 19-year-old Irene Kogan got married over the weekend (a little young, but that’s neither here nor there,) and both Mariah Carey and Elton John were in attendance, thanks to Irene’s Russian billionaire grandad Valery Kogan. And just how much did Mimi and Elton bank for their quick Ireland gig? Oh, just a cool $4.2 million! Imagine making that in ONE DAY? Some people don’t make that in a lifetime! TMZ reports that Mariah’s set sounded great, and she decided “We Belong Together” to the new couple. Elton John also killed it with an impressive 12 song set. Check out some footage of the night below. If you had the means, who would you get to perform at your wedding? Let us know!