Marvin's wife, The Saturdays singer Rochelle, brought a very stylishly dressed Alaia-Mai to the venue on Sunday night (22 December) to watch Marvin and his bandmates Aston Merrygold, Oritse Williams and JB Gill take their final bow.
Alaia-Mai, who arrived in May, was dressed in a teeny trench coat, prompting Rochelle to add the caption to one picture: "Mini me."
Marvin has yet to say anything about the final show via Twitter but he did tell fans the day before: "The day has come! Our final 2 shows ever at the O2 arena..wow..what a day!"
Hopefully he'll get some time off over Christmas to spend with Rochelle and Alaia-Mai as come January he'll be right back at work again, this time in co-hosting duties for the new series of The Voice UK.
While Marvin has yet to say anything about the final JLS tour, his bandmates have been tweeting. Aston wrote: "That hit me like a f**king hurricane! But Seriously from the bottom of my❤️thank u! For now I'll say 'see you later' forget goodbye! #love."
Watch JLS' final music video for 'A Billion Lights' below:
JLS: our favourite moments in pictures -
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