Jennie Garth and Michael Shimbo split

After dating for three months, former "Beverly Hills, 90210" star Jennie Garth has split from San Francisco-based media exec Michael Shimbo, People magazine reports. The pair made the decision to break up while in Austin, Texas, to watch Formula One's U.S. Grand Prix last weekend, E! News reports. Garth went public with the relationship in September by posting an Instagram shot of her and Shimbo, captioned "#luckylady." Garth, 41, finalized her divorce from actor Peter Facinelli in June.