The ex-England forward, who scored 48 goals in 80 appearances for his country, turns 56.
He won the Golden Boot in the 1986 World Cup in Mexico.
Lineker had a decorated playing career at boyhood club Leicester City before enjoying goal-laden spells at Everton, Barcelona and Tottenham.
Interestingly, Lineker never received a yellow or red card throughout his many years in the game.
He is well known for presenting Match of the Day and being one of the faces of English football in the UK.
Lineker is also prolific on social media.
Here’s who else is celebrating:
1944: George Graham – former Arsenal, Leeds and Tottenham manager (72).
1955: Andy Gray – former Aston Villa, Wolves and Scotland striker (61).
1970: Phil Babb – former Republic of Ireland and Liverpool defender (46).
1972: Abel Xavier – former Liverpool, Everton and Middlesbrough defender from Portugal (44).
1976: Josh Lewsey – Ex-Wasps and England full-back/wing and head of rugby at the Welsh Rugby Union until January 1 2017 (40).
1984: Alan Hutton – Aston Villa and Scotland defender (32).
1984: Nigel de Jong – former Manchester City midfielder, currently playing for Galatasaray (32).
1987: Max Gradel – Bournemouth midfielder (29).
1991: Ryan Bowman – Motherwell striker (25).