One year after the tragic bombing at her Manchester concert, Ariana Grande is remembering the victims and the city with a sweet tribute. The 24-year-old pop star took to social media to honor all the fans she lost one year ago.

"Thinking of you all today and every day. I love you with all of me and am sending you all of the light and warmth I have to offer on this challenging day," she tweeted. Twenty-two people were killed and hundreds injured when a bomb was detonated at the end of her concert on May 22, 2017. Along with Ariana's tribute, the city will also be honoring the victims with a national minute silence at 2:30PM BST.

Two weeks after the attack, Ariana returned to the British city to host the One Love concert, which featured performances by many of her famous friends including Miley Cyrus, Justin Bieber, and her ex-boyfriend Mac Miller. According to the British Red Cross, the event raised $13 million for the We Love Manchester Emergency Fund. "I want to thank you so much for coming together and being strong," Ariana said during the show. "I love you guys so much, and I think the kind of love and unity you’re displaying is the medicine the world needs right now."

Her most recent single "No Tears Left to Cry" also seemingly honors the victims of the tragic event. "We wanted to explore was the disorientation that you go through in life, and the quest we all go through to find the ground again," her music video director Dave Meyers said of the meaning. "We sort of flirt with the ambiguity of if you need to find the ground, or if the ground is what you make of it."

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Following the attack, sources revealed to Life & Style that Ariana suffered a breakdown. "Ariana isn’t doing well at all," an insider explained. "She feels responsible and can’t shake the sound of the bomb. But the screams are what make her incredibly emotional. She can’t stop thinking about them." At the time, she also released a statement, adding, "My heart, prayers and deepest condolences are with the victims of the Manchester Attack and their loved ones. There is nothing I or anyone can do to take away the pain you are feeling or to make this better. However, I extend my hand and heart and everything I possibly can give to you and yours, should you want or need my help in any way."