Jennifer Lopez was thrilled to reunite with Tyler Posey at the Teen Choice Awards.

The 45-year-old actress played the 22-year-old hunk's mother in 2002 movie 'Maid in Manhattan' and was astonished by how much the actor has grown up when they shared the stage at the Los Angeles ceremony last night (10.08.14).

She said: ''It's crazy...he's so big! Oh my god.''

The 'Teen Wolf' star - who hosted the ceremony with 'Modern Family' actress Sarah Hyland - also joked he was ready to collaborate with the 'On the Floor' hitmaker on another project.

After they hugged when she walked on stage to present an award, he said: ''I know we haven't seen each other since 'Maid in Manhattan', which was forever ago.

''But I thought that maybe if you needed a backup dancer, I'd fit. What do you think?''

Tyler then shook his butt and danced around Jennifer - who split from backing dancer Casper Smart in June after three years of dating - in a mock audition, prompting her to joke: ''If I say yes, will you stop?''

The 'American Idol' judge later shared a picture on Instagram of her hanging out with her former screen son.

She wrote: ''Aww look at Ty all grown up!! @i_love_harveys #teenchoiceawards (sic)''