Just a few short hours ago, tragedy struck when an explosion took place at the end of an Ariana Grande concert in Manchester, England. At least 19 people have been reported dead, with at least 50 more injured in what is being hailed as a possible terrorist suicide mission.

With 21,000 people reportedly in attendance, hearts around the world are broken for those involved and their families. Grande has just released a statement via Twitter, following the many musicians and celebrities the world over who are shattered over the event. See their tributes below.

1. Ariana Grande: Grande expressed her deepest regret and admitted that tonight’s events have left her broken. “I am so, so sorry,” she said. “I don’t have words.”

2. Taylor Swift: Swift, who hasn’t Tweeted since January 29 to promote her single for Fifty Shades Darker, broke her social media silence to send her love to all of those affected by the tragedy.

3. Katy Perry: Swift’s rival Katy Perry also issued a Tweet on tonight’s events, saying that she was broken-hearted for the families, Grande, and the state of our world in general.

4. Kendall Jenner: The supermodel took time out to send her thoughts and prayers.

5. Kesha: The singer shared a snapshot of herself giving Grande a hug in happier times.

6. Selena Gomez: Gomez also offered up her thoughts and prayers to all those involved.

7. Nicki Minaj: Minaj, who of course performed with Grande on her hit single “Bang Bang,” called Grande her sister and expressed her deepest condolences.

8. Jennifer Lopez: J.Lo said that her whole heart was with the city tonight.

9. Harry Styles: The newly solo artist took to Twitter, saying that he was heartbroken to hear the news.

10. Demi Lovato: Lovato was in tears over the reports and the fact that concert-goers are losing their lives. Us too, girl. Us too.

11. Lorde: Lorde explained that this event hit artists hard, as concert-goers should be safe at every show they see. “Every musician feels sick and responsible tonight,” she wrote.

12. Christina Aguilera: Aguilera, who, like Swift, rarely Tweets these days, also came out of the woodwork to express her sorrow.

13. Pink: Pink not only Tweeted her condolences, but helped to spread the word about those still missing, retweeting their images and info.

(Photo via Kevin Winter/Getty)