Selena Gomez is reportedly NOT happy Justin Bieber accused her of “using” him, with insiders insisting that’s far from the case.

The 24-year-old beauty – who was in a five-year on/off romance with the ‘Sorry’ hitmaker – is reportedly annoyed her former beau claimed she used his fame to boost her reputation after they clashed on Instagram this week.

A source close to the brunette beauty told PEOPLE : “They’re both young and have made mistakes, but she has never used him.

Selena clashed with Justin this weekend (Image: Getty)

Justin hit back by saying she “used” him (Image: Rex)

“He put their relationship out there way more than she ever did, and he’s been very strategic about it.”

The 22-year-old singer has continued to post fond memories he shared with Selena on social media, despite splitting up two years ago, and it is believed he brings up his past with the former Disney actress to “get at her”.

They pose for a loved-up snap back in the day (Image: Instagram)

In 2012 (Image: Getty)

The source explained: “Whenever something good is happening in her life, he’ll post something to get at her.”

This comes after Justin threatened to make his Instagram private when fans hit out at his reported new girlfriend Sofia Richie, 17, Selena offered him some advice, to which he after reportedly accused his ex-girlfriend of cheating on him with Zayn Malik.

Selena spoke out after Bieber clashed with his fans (Image: REX)

Justin dragged Zayn Malik into it (Image: FilmMagic)

She wrote on Instagram: “If you can’t handle the hate then stop posting pictures of your girlfriend lol – it should be special between you two only. Don’t be mad at your fans. They love you (sic).”

Justin was not happy and replied: “It’s funny to see people that used me for attention and still try to point the finger this way. Sad. All love. I’m not one for anyone receiving hate. Hope u all can be kind to my friends and each other. And yes I love my beliebers (sic).”

However, Selena, 24, then hit back and accused Justin of cheating her throughout their relationship which ended in 2014.

He’s now dating Sofia Richie (Image: Instagram)

She wrote: “Funny how the ones that cheated multiple times, are pointing the finger at the ones that were forgiving and supportive, no wonder fans are mad. Sad. All love (sic).”

And then Justin, 22, reportedly slammed Selena by saying: “I cheated…Oh and I forgot about you and Zayn (sic).”

Selena previously admitted she would love to date Zayn, who is currently in a relationship with Gigi Hadid.

She said: “If he had asked me out on a date, I would be seen with him. Just kidding, but not kidding.”