Lampard enjoyed a highly-successful 13-year spell as a player at Stamford Bridge.
Frank Lampard has returned to Chelsea as their new head coach on a three-year deal.
Lampard enjoyed a highly-successful 13-year spell as a player at Stamford Bridge, becoming the club's record goalscorer and winning three Premier League titles and the Champions League.
The 41-year-old began his managerial career in impressive fashion, guiding Derby to the Championship play-off final in his first season at the helm.
Here, PA takes a look back at some of the best pictures from Lampard's career at both clubs.Lampard joined Chelsea from West Ham in 2001 (Martyn Hayhow/PA) He soon became a key player and shone brightly following Jose Mourinho's appointment in 2004, scoring some important goals (Martin Rickett/PA) And a first Premiership title soon followed as Mourinho's Chelsea won the league in the 2004-05 season (Rebecca Naden/PA) Lampard, centre, admires the trophy with Mourinho and his team-mates (Rebecca Naden/PA) Lampard continued to be a regular on the scoresheet as the 2005-06 campaign got under way (Nick Potts/PA) And he was lifting the league trophy again at the end of the season as Chelsea went back-to-back (Andrew Parsons/PA) Lampard celebrates after scoring at the Nou Camp during Chelsea's Champions League draw against Barcelona (Nick Potts/PA) Frank Lampard lifted the League Cup in 2007 after Chelsea's win against Arsenal in the final (Rebecca Naden/PA) And he won yet more silverware later that season as Chelsea secured the FA Cup (Andrew Couldridge/POOL/PA) Lampard consoled team-mate John Terry, left, after his penalty miss in Chelsea's Champions League final defeat to Manchester United in 2008 (Martin Rickett/PA) Lampard scored twice in the second leg as Chelsea beat Liverpool in the Champions League quarter-finals in 2009 (Rebecca Naden/PA) But he suffered more Champions League heartache in the semi-finals as a late Andres Iniesta goal put Barcelona through at Chelsea's expense (Rebecca Naden/PA) But the smile returned to Lampard's face as he celebrated winning the Premier League in May 2010 (Nick Potts/PA) ...And the FA Cup later that month (Nick Potts/PA) Lampard celebrates a Chelsea goal alongside his team-mates in the FA Cup semi-final win over Tottenham in 2012 (Rebecca Naden/PA) He lifted the FA Cup with Terry again in May 2012 after Chelsea's final triumph over Liverpool (Nick Potts/PA) After a series of disappointments, Lampard finally got his hands on the Champions League trophy in the 2011-12 season following a penalty shoot-out win over Bayern Munich (Owen Humphreys/PA) The Europa League crown followed in 2013 (John Walton/PA) Lampard said goodbye to Chelsea in 2014 (Adam Davy/PA) After bringing the curtain down on his playing career with spells at Manchester City and New York City, Lampard was handed his first managerial job at Derby in 2018 (Simon Cooper/PA) Lampard was reunited with his old manager Mourinho as Derby drew Manchester United in the League Cup (Martin Rickett/PA) And he got the better of Mourinho as Derby won that contest on penalties (Martin Rickett/PA) Lampard celebrates in Derby's victory over promotion rivals Sheffield United (Nigel French/PA) He got a very warm welcome as he returned to Stamford Bridge for Derby's League Cup defeat to Chelsea (Nick Potts/PA) He celebrated following Derby's shoot-out win over Southampton in the FA Cup third round replay (Nick Potts/PA) But the Rams' league progress stalled somewhat, with Derby losing to rivals Nottingham Forest at the City Ground in February (Nick Potts/PA) After finishing sixth in the league, Lampard's Derby beat Leeds in the play-off semi-finals thanks to a 4-2 away win in the second leg (Nick Potts/PA) But the 2018-19 season ultimately ended in disappointment as Derby lost to Aston Villa in the play-off final (John Walton/PA)