Oops, she’s doing it again. Britney Spears plans to tie the knot with fiance Sam Asghari on Thursday, according to multiple reports. Spears’ mother and father aren’t expected to attend, nor is younger sister Jamie Lynn Spears, TMZ reported, but her older brother, film producer Bryan Spears, is likely to be there. A representative for Spears didn’t immediately respond to a request for comment. The wedding will take place in Los Angeles, according to People. It’s expected to be a small ceremony, with People saying there will be about 60 guests, and TMZ reporting about 100 will attend. Spears, 40…