Busy Philipps gave Us behind the scenes details of the recent Dawson's Creek reunion - including how the cast pivoted when James Van Der Beek announced he wouldn't be able to attend. "I think we were all really hoping that James was going to be able to make it even kind of up until the last second," Philipps, 46, exclusively told Us Weekly while promoting her partnership with Supernus Pharmaceuticals. "We just had a contingency plan in place." Philipps added, "Thankfully, Lin-Manuel Miranda knows the Richard Rogers Theatre very well.