They didn't use her at the 'College years show' and the 'Wedding in Las Vegas' She didn't show up until the wedding scene.
She must had been angry that they didn't use her for ither show and that she was iother fired or her character dropped
She wasn't dropped.
She was too busy filming Bandit: Bandit Goes Country, White Wolves II: Legend of the Wild and Showgirls at the time.
That's why when she appears at the end of Saved by the Bell: Wedding in Las Vegas, she has really blonde hair - its the same colour that she had it dyed for Showgirls, which she was still working on at the time.
I guess she only had time to film a small cameo but not a big part in the film.
Maturity. The very staple of the IMDb message boards.