His mentor Dannii Minogue selected Grimshaw as one of her three contestants to continue in the competition for the live shows.
For the first live show, he sang "Mad World", which the judges praised. In the third live show, his performance of "Diamonds Are Forever" was praised by the judges.
In live show 4, he sang a slower rendition of Michael Jackson's "Thriller".
Grimshaw sang "Nothing Compares 2 U" in week 5 and in week 6, Grimshaw sang "Rocket Man".
Grimshaw was in the bottom two that week, along with Katie Waissel.
Simon Cowell and Cheryl Cole voted to eliminate Grimshaw while Minogue and Louis Walsh voted to save him.
For the first live show, he sang "Killing Me Softly with His Song", in the second live show, he sang "If I Ain't Got You" in the third live show, he sang "Ain't Nobody", and in week 4, he sang "Back to Black" by Amy Winehouse.
After performing "Let It Be" in week 7, Richardson was in the final showdown with Cher Lloyd.
Cher Lloyd shines in a sleek black dress as she arrives at the 2016 Breast Cancer Now Pink Ribbon Ball at the Dorchester Hotel in London, England on Saturday night (October 8).
With this experience, extroverted Gilly decides to leave the island to live life to the fullest, in the process falling for Jimmy Angelov, an ethnic Bulgarian who grew up near Transylvannia.
More introspective Sally, who has sworn off the use of magic except in its most practical sense, has taken measures not to fall in love because of the curse, but ends up falling for and marrying ...
This meant the result went to deadlock, and he was eliminated.
His debut album, Misty Eye, was released on 13 August 2012 via RCA Records.
Sisters Sally and Gillian Owens have a special bond with each other despite being different in personality and outlook.