Blake Lively & More React to Kate Middleton Cancer News

Blake Lively has nothing but XOXO for Kate Middleton.

In fact, the Gossip Girl alum publicly apologized for trolling the Princess of Wales' Photoshop controversy before learning that she had recently been diagnosed with cancer.

"I'm sure no one cares today but I feel like I have to acknowledge this," Blake began on Instagram Stories March 22, shortly after Kate went public with her diagnosis. "I made a silly post around the 'photoshop fails' frenzy, and oh man, that post has me mortified today. I'm sorry."

She added, "Sending love and well wishes to all, always."

The apology comes a week after …