The 31-year-old musician, who wore a flame-coloured jumpsuit for the Suffolk gig, treated fans to tracks from her two best-selling albums - I Cry When I Laugh and Always In Between.
The singer performed hit singles from her two albums (Image: Angela Smith/The Jockey Club Live)
The well-dressed crowd enjoyed some racing before the red-haired singer took to the stage later in the evening.
Well-dressed racegoers at Newmarket Racecourse on Friday (Image: ANGELA SMITH / THE JOCKEY CLUB LIVE)
Glynne, who has a record-breaking seven UK number one hits,
A group enjoy the atmosphere at the Newmarket Nights event (Image: Angela Smith / The Jockey Club Live)
co-wrote the song Thursday with Suffolk music sensation and Ipswich Town fan Ed Sheeran.
Crowds enjoyed hits from the singer's repertoire (Image: Angela Smith / The Jockey Club Live)
Glynne's appearance was the third Newmarket Nights event of the summer, following Sir Tom Jones and Olly Murs - who got injured during his performance.
The crowd wave at the gig (Image: Angela Smith/The Jockey Club Live)
Rick Astley and McFly will also to take to the Newmarket stage this summer.
All smiles at the Newmarket Nights event (Image: Angela Smith/The Jockey Club Live)
Ticket information is available on the Newmarket Racecourse website.
Fans enjoying Jess Glynne's performance at Newmarket Nights (Image: Angela Smith/The Jockey Club Live)
A couple enjoying the racing at Newmarket (Image: Angela Smith/The Jockey Club Live)
Crowds were wowed by popular singer Jess Glynne (Image: Angela Smith/The Jockey Club Live)
Racegoers enjoy the atmosphere at the event (Image: Angela Smith / The Jockey Club Live)
Fans enjoyed some racing before Jess Glynne took to the stage (Image: Angela Smith/The Jockey Club Live)
Selfie time: Fans capture their own snaps of the day (Image: Angela Smith / The Jockey Club Live)
Two racegoers pose for a picture at the event (Image: Angela Smith/The Jockey Club Live)
There were plenty of laughs as people enjoyed being back at the Newmarket racecourse (Image: Angela Smith/The Jockey Club Live)
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