She may have been singing in front of Nicole two years ago to win her vote, but this weekend Ella was sharing the stage with her former X Factor judge as they both performed at the same event overseas.
And it looks like bumping into Scherzy again was the icing on cake for the 'Ghost' singer!
Taking to Twitter, Ella shared a snap of herself and Nicole as she tweeted: "Tonight's been so much fun here in SA... & to bump into this beautiful lady made it extra special @NicoleScherzy x E."
In her snap Ella looks stunning in a black wrap-over jumpsuit and heels while Nicole showed of her fine physique in a sparkly leather two piece, complete with loose-fitted trousers and a teeny bandeau top with spaghetti straps.
The former Pussycat Doll was keen to share the love as she retweeted Ella's photo of the pair.
Nicole and Ella first met back in 2012 when Ella auditioned for the X Factor. Although Nicole was not the young singer's mentor herself (Ella was mentored by Tulisa), she was still a big fan of Ella's throughout her time on the show.
After Ella sang her rendition of Cher's 'Believe' during Bootcamp, Nicole, overcome with emotion, told the other judges: "We can't touch her, we just have to be in awe of her."
During the series, Ella came sixth on the show, despite being a firm favourite to win, and now two years later she has had her own chart success. Heading straight to the top of the charts, Ella's first ever single 'Ghost' debuted at number one, shortly after going platinum in the UK.
Having proved herself quite the songstress, Ella is hoping to emulate her early success with her second single 'Glow' set for release this weekend.
'Glow' is set for release this Sunday 14 September.
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Watch Ella move Nicole to tears with her Bootcamp performance of 'Believe' here: