Natalie Portman: The actress who took home a Golden Globe in 2011 for "Black Swan" tops the list compiled by Forbes. Natalie Portman brings in $42.70 for each dollar her employers pay. The calculation factors in the box office for "No Strings Attached," "Your Highness," and "Black Swan," which alone brought in $329 million worldwide. Portman's trick is to stick to low-budget films with big returns -- like "No Strings Attached," which made $150 million globally and cost $25 million to create. Click here to see more stars that made the Forbes list.