After playing in the team's friendly against Olympiakos earlier in the day, the midfielder swapped his red kit for a dapper black suit as he brought his wife Alex and their two eldest daughters to a dinner in his honour.
WAG Alex, 30, showed off her toned and tanned figure in a striking patterned column gown with thigh-high split as she joined her family for the evening event at the Liverpool Echo Arena.
So proud: Steven Gerrard celebrates his 15 years with Liverpool FC with wife Alex and their daughters Lilly-Ella (right) and Lexie (left) at the Liverpool Echo Arena
Svelte: The fitted dress showed off Alex's tanned and toned physique
Earlier that day, Alex ad worn a patterned shirt dress and cowboy ankle boots as she arrived forher husband's Testimonial match at Anfield.
While Alex remained in the Director's Box, her daughters were thrilled to join their father on the pitch ahead of the game.
Showing some leg: Alex confidently strode along with her husband and daughters
Close knit: The couple also have a toddler daughter Lourdes, who stayed at home
Among those wishing her congratulations was fellow Liverpudlian WAG Coleen Rooney, who has frequently socialised with Alex on the Scouse party scene.
Coleen tweeted: '@AlexGerrard7 have a fantastic day love and a big congratulations to Steven xx.'
Cute: Sisters Lilly-Ella and Lexie, who share a two year age gap, wore the same design of dress in different colours
In a recent interview, the usually private Steven opened up on meeting his wife on a night out in Liverpool when he was 21.
He told the Liverpool Echo: 'It was harassment more than anything, I think... My world changed when I met her.'
Pride: Alex arrives at Anfield stadium for the Liverpool friendly against Olympiakos on Saturday afternoon
Two years later Lexie arrived, followed by Lourdes in 2011.
Talking about having a family when he was 24, he said: 'It was my decision. I felt becoming a father would be good for my career, to get me even more settled.'
Summery: Alex teamed a shirt dress with white belt and cowboy ankle boots
Excitement: Alex sat in the Director's Box to watch the match
Although Alex has become a regular on the Liverpool social scene and used to have a fashion column with OK! column, Steven doesn't do much red carpet events outside football.
He explained: 'I’m not one for premieres or photo-shoots. Alex is more into the celebrity world than me.'
Family man: Steven Gerrard brought his daughters Lilly-Ella (right), Lexie (left) and Lourdes (carried) on the pitch before the match