Kim Kardashian was showing off her growing baby bump as she arrived in San Diego for a family trip.The hot momma shunned usually maternity attire dressing herself in a skintight black dress with a plunging neckline which she accessorized with a black choker. Kim who was joined by sister Khloe and momager Kris, was in town to celebrate Grandma Mary Jo's Birthday. It wasn't all pleasure through as the fabulous family were also filming for their hit E! Reality TV show Keeping Up With The Kardashian's.