I basically left Texas with no money. I was making $3.50 working in some mall, so I didn't have a lot of cash. I took $1,000 and headed to California. Along the way I stopped in Vegas because I had always wanted to see Caesar's Palace. So I stopped there and won $2,500 on a slot machine! It was amazing.

Allen also appeared on an episode of NBC's Love Bites in 2011. In the first round Krista Allen matched up against skateboarder Tony Hawk and rodeo champion Ty Murray. In both Smallville and Mutant X Allen played a woman who could control men with her sex pheromones.

She is best known for her work in the television series Days of Our Lives Baywatch Hawaii and What About Brian; and in the Hollywood films Liar Liar Confessions of a Dangerous Mind Anger Management and The Final Destination.