Jennie Garth reveals her still perfect bikini body... three children and 20 years later

Twenty years have passed since Jennie Garth joined the cast of Beverly Hills 90210, but they have been very kind.The 38-year-old showed off her svelte bikini body as she holidayed in Mexico yesterday.Jennie's toned stomach and shapely figure was revealed by her striped blue bikini. Then and now: Jennie Garth has barely aged since her early days in Beverly Hills 90210,