"Thank You" is a song from English R&B singer and rapper Estelle, released as the second single of her third studio album All of Me. The R&B ballad was co-written by the American hip-hop singer Akon and was produced by Jerry Wonda. It was released in the United States on 4 October 2011. On the track, she finds herself expressing gratitude to the man who's helped her, because the experience has helped make her both smarter and stronger. It has charted on the Billboard's Hot R&B/Hip-Hop Songs and it is already her most successful single on the R&B chart. It also debuted at number 100 on the Billboard Hot 100.

Thank you samples the Creative Source version of Wildflower by Doug Edwards and Dave Richardson. Other versions of Wildflower have been sampled by Tupac Shakur, Jamie Foxx, Kanye West, Paul Wall and Drake. The song received a nomination for Best R&B Performance at the 55th Grammy Awards held in February 2013.

The song was released as the second official single from her then-upcoming third album All of Me. The emotional, soulful ballad was written by Senegalese-American singer-songwriter Akon and was produced by Jerry Wonda. Despite being heartbroken, the singer is grateful for the experience of the relationship that's just ended. Estelle told Rap-Up TV she fell in love with the track as soon as she heard it. "By the time it got to the chorus I was damn near crying," she said. "It just resonated so much with me. I play it to my guy friends and they cry."

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