The couple took baby Buzz Michelangelo out for the very first time – and shared the experience with their Twitter fans.
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Tom strikes a pose in a shopping mall - the setting for Buzz's very first trip out.
Judging by the Instagram photo, mum and dad were kicking off the weekend by giving their little one his very first retail therapy experience.
"Our 1st proper outing," Tom captioned the image which showed him striking a pose while pushing Buzz's bright red pram around a shopping centre.
The McFly singer also gave his 1.29 million followers a sneak peek at the outfit Buzz wore for his first trip out of the house.
The McBusted singer also showed off the outfit Buzz wore for his first outing.
"Ello sailor!" proclaimed the musician – posting a snap showing Buzz's tiny arm protruding from a sleeve bearing little anchor motifs.
Baby Buzz's milestone trip out followed a night of catching up for his parents and Tom's McFly bandmate Harry Judd and wife Izzy Johnson.
The party of four dined on steak and chocolate, "not together of course", clarified Tom. And Harry and Izzy came bearing gifts for the new arrival.
On Friday Harry shared a snap holding baby Buzz in his arms as the tiny tot slept.
Tom has been keeping his more than 1.29 million followers happy with regular updates on Buzz and his experience of first-time fatherhood since the tot's 14 March birth.
And there was also his sweet video, From Bump To Buzz - which shows him singing a brand new tune alongside a collage of snapshots which show HELLO! Online blogger Giovanna's belly growing throughout pregnancy.
The clip made it onto US TV and went viral, with stars such as Russell Crowe sharing it on the web.
When Giovanna found out she shared her excitement, writing: "Erm... THE Russell Crowe just tweeted a link to Bump to Buzz.......... Amazing!"