Cheryl is understood to be stepping back from performing commitments after being 'hot hard' by the death of her former Girls Aloud bandmate Sarah Harding.
Sarah passed away on September 5th aged 39 from breast cancer and Cheryl has made no public appearance's since, pulling out of a Birmingham Pride performance last month.
A source has since explained that Cheryl is 'taking a little break to prioritise her wellbeing.'
So sad: Cheryl, 38, is rumoured to be in a dark place since the death of her former bandmate Girls Aloud Sarah Harding
Speaking to Closer magazine the source said: 'The shock and devastation have hit her so hard.
'She's not in any mindset to think about performing so she's taking a little break to prioritise her wellbeing.'
The source added: 'Sarah's death was announced by her mum on Instagram and Cheryl previously spoke of her grief as she paid tribute to her bandmate - who she had reconciled with in recent years.'
Grieving: Sarah passed away on September 5 aged 39 from breast cancer and Cheryl has made no public appearance's since
It comes after Cheryl thanked her fans for 'amazing night' after performing on stage at the Mighty Hoopla festival in Brixton last month, just hours before Sarah's death.
Taking to her Instagram Stories, the songstress admitted: 'A lot has happened in-between' as she gushed about how 'incredible' the crowd was while also sharing a BTS video of her performance.
She said: 'Hello everyone. So I know it's been a minute since Hoopla, but I really wanted to refer back to it just to say thank you so much for an amazing night.
'I had the best time. You lot were incredible. And yeh, I didn't have the chance to say thank you. A lot has happened in-between, but I really had the best night. So, you lot are major and I can't wait to see you again.'
Sharing the behind-the-scenes video of her performance to Instagram, Cheryl wrote: 'I love you all thank you for an amazing night @mightyhoopla.'
Thankful: It comes after Cheryl thanked her fans for 'amazing night' after performing on stage at the Mighty Hoopla festival in Brixton last month, just hours before Sarah 's death
Girls Aloud bandmate Nicola Roberts, 35, who joined her on stage at the festival, commented: 'The best night.'
The performance marked Cheryl's grand return to the music scene after she took time away from her singing career following the birth of her son, Bear, now four.
Just three weeks after Mighty Hoopla and the death of Sarah, Cheryl pulled out of her scheduled Birmingham Pride performance, as she continued to grieve for her former bandmate.
Cheryl was set to headline the event, but took to her Instagram Stories the night before to reveal that she would no longer be appearing.
