Britney Spears is speaking out about her and Sam Asghari's wedding. The "Toxic" singer took to Instagram on Friday to share a lengthy post about their big day on Thursday, gushing about her man and writing in part, "Wow !!! Holy holy crap !!! WE DID IT !!! WE GOT MARRIED !!! Gggggeeeeezzzzz !!! It was the most spectacular day !!! I was so nervous all morning but then at 2:00 pm it really hit me … WE'RE GETTING MARRIED."