PopUps: Kirstie Alley Gave the Worst Stephen Hawking Tribute, Twitter Reacts

World leaders, scientists, celebrities and scientologists alike reacted to the news that Dr. Stephen Hawking died Wednesday at the age of 76. Among the many remembering theoretical physicist is Kirstie Alley, who arguably gave the worst tribute to the late Hawking.

Taking to Twitter, the "Fat Actress" star shared her condolences with her 1.28 million followers by tweeting a picture of Hawking. She also wrote her own message:

"You had a good go at it..thanks for your input," Alley tweeted.

Unsurprisingly, the tweet caused a ruckus, earning 2,700 likes and nearly 1,000 retweets. Twitter users were quick to react to her tweet, find the best responses below.

This story is part of our special report: "PopUps". Want to read more? Here's the full list.