With Earth Day coming right up tomorrow, Leonardo DiCaprio and Bar Refaeli started celebrating early by tooling around Manhattan on their bikes on Saturday. Maybe they should keep the green party going by throwing a little soiree at Leo's brand new eco-friendly condo in the city? There's a lot of potential Earth Day fun for this beautiful couple. Before all that, however, the duo trekked up to Boston to catch the Celtics win (yay!) their first playoff game against the Atlanta Hawks last night. Hey, at least the Celts' jerseys are just the right color — green.


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