Ben Affleck has reportedly splashed out $20 million on a new home in Los Angeles. The ‘Argo’ star is believed to have closed a deal on a mansion in the affluent area of Pacific Palisades for $20.5 million with TMZ.com reporting Ben’s property features five bedrooms and six bathrooms as well as a media room and guest house with the purchase coming just weeks after he put the house he shared with his wife Jennifer Lopez up for sale. The new house is much smaller than the mansion in Beverly Hills he bought with Jennifer last year which boasted 12 bedrooms and 24 bathrooms, a 12-car garage, room f…