"Grow Up" debuted outside of the top-forty on the UK Singles Chart at number 52. In its second week it dropped to number 56 but later rebounded to number 53 in its third week. In its fourth week it dropped a place to number 54 and then in its fifth week it dropped even further to 61. At this point, the song's chart success looked bleak. However Murs performed the song on The X Factor UK on 13 November 2016, resulting in the single climbing up the charts to number 25 (its peak) in its sixth week of release.
Music video
A music video to accompany the release of "Grow Up" was first released onto YouTube on 12 October 2016 at a total length of four minutes and five seconds.[1]
The video features Murs filming the video with the crew made up of children.
^"ČNS IFPI" (in Slovak). Hitparáda – Radio Top 100 Oficiálna. IFPI Czech Republic. Note: Select 44. týden 2016 in the date selector. Retrieved 26 November 2016.
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