Anthony Russell pays sincere tribute to the late sister of Louis Tomlinson, Félicité, following his death

X Factor star Anthony Russell paid a moving tribute to the late Louis Tomlinson's late sister, Félicité, following the shocking death of the 18-year-old this week.

The 28-year-old singer, mentored by Louis, the star of One Direction, at the ITV series in 2018, went to Instagram to share a heartfelt message with the teenager as a result of her suspected heart attack.

Anthony shared a picture of himself with Félicité, with the duo seen radiating towards the camera, while in another snapshot, you could see Anthony standing between Louis and Félicité.

Tribute: X Factor star, Anthony Russell, 28, paid a moving tribute to the late Louis Tomlinson's sister, Félicité, following the heartbreaking death of this 18-year-old this week

Subtitling the comforting images, he writes, "I do not know what to say, I can not say in words the sadness I feel or the sorrow I feel for this incredible family.

& # 39; I send you all my love and all my strength and I love you so much. Bliss I still love you.

His emotional message was greeted by several comments of support from his fans.

Louis was left "devastated and helpless" by death, the Sun reported, and congratulated his sister for "kind, considerate, brilliant and beautiful," the newspaper told sources close to the One Direction singer.

Tragic: The singer, who had been mentored by the star of One Direction Louis during the ITV series in 2018, went to Instagram to share a heartfelt message to the teenager.

Tragic: Felicity broke down Wednesday afternoon in the studio on her fourth floor located in Earls Court, in West London, following a possible heart attack.

He retired from Comic Relief on Friday night, where he was to perform his new single as a big band.

Felicity collapsed on Wednesday afternoon in her studio located in Earls Court, in West London, following a possible heart attack.

It is understood that the police found no signs of drugs at the address.

Painful: Louis was removed from Comic Relief on Friday night, where he was to perform his new single as a big title.

Pals: Anthony and Louis formed close ties during his first stint at X Factor, after being removed from the competition for drug treatment (photo from 2018).

Anthony and Louis have established close ties during his first appearance on the X Factor, after withdrawing from the competition for treatment for addiction.

The singer Just Hold We contacted the budding singer, giving her support and even offering to pay for treatment.

Anthony once declared that he "would be dead" if Louis had not "saved" him.

Sweet: The singer Just Hold We reached out to the aspirant, giving him his support and even offering him to pay for a treatment (photo taken in the arms in 2018)