The barmaid’s body was discovered in a stream in Tamworth, Staffordshire after she attended a concert. Her mother, Debbie Watkins had launched an appeal on social media after she went missing.
The 20-year-old was returning home from a concert at the O2 in Birmingham where British rapper Aitch was performing.
But on the same day at 9pm, Ms Bunker’s body was found in Wigginton Park.
Nineteen-year-old Wesley Streete will appear at North Staffordshire magistrates court charged with the murder of Ms Bunker.
A Staffordshire Police spokesman confirmed that a teenager from Tamworth will appear in court charged with the murder on Monday.
The barmaid’s body was discovered in a stream in Tamworth, Staffordshire
A Staffordshire Police spokesman confirmed that a teenager from Tamworth has been charged
The spokesman said: "A 19-year-old man has been charged with murder following the discovery of a woman’s body in woodland in Tamworth on Thursday 19 September.
"Wesley Streete of Tamworth, will appear before North Staffordshire Justice Centre tomorrow morning (Monday 23 September).
"Formal identification of the woman is still to take place, but she is believed to be Keeley Bunker, aged 20, from Tamworth.
"Her family are being supported by specially-trained officers at this time and we would kindly urge people to respect their privacy."
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Officers guarded the scene as forensics continued to collect evidence
After Ms Bunker went missing, friends and family frantically searched for the young girl who was last seen at 4am.
Close friends and family have since laid flowers at the park in Tamworth, where her body was found.
Most of the bouquets and gifts included heartfelt messages.
One message read: "Keeley, sending you all my love, you will be missed by all. Rest well x."
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Most of the bouquets and gifts included heartfelt messages
The 20-year-old was returning home from a concert at the O2 in Birmingham
Another said: "Keeley, I am going to miss you so so so much.
“Your laugh, smiley face and through and through beautiful soul.
"You are going to be missed by everyone lucky enough to have ever met you
"Miss you already so much, until we meet again, sleep tight."
The entrance to the park was cordoned off by the police.
Officers guarded the scene as forensics continued to collect evidence.
Police were granted extra time to question Mr Streete following the discovery of Ms Bunker.
Ms Bunker’s body was removed from the scene to hospital where a post mortem was conducted.
Ms Bunker went missing on the evening of September 19.
The barmaid’s parents are currently being supported by specially-trained officers.