The 38-year-old confirmed her relationship with The Apprentice star was over on Tuesday after a whirlwind romance.
Hosting her first episode of the spin-off show since the break up, Caroline was all smiles as she chatted with her guests, her engagement ring missing from her left hand.
The star wore a tiger print mini dress and flashed her long legs as she sat on set.
Viewers were quick to praise Caroline for being so professional despite the drama in her personal life.
Taking to Twitter, one wrote: "Caroline Flack is doing remarkably well with this show about love and coupling up considering her recent heartbreak."
Another wrote: "If anything, I think we need to remember how hard Caroline Flack must be finding #LoveIslandAftersun after her break up. My little heart. Especially as well that she sounds so poorly too!"
A third shared: "Massive respect to Caroline for being able to put aside what's going on in her personal life and not only doing her job but doing it amazingly.
"She's the sort of role model we all need. Absolute babe!!!"
Another agreed: "Poor old Caroline Flack putting on a brave face doing #LoveIslandAftersun this week after her break up #trooper".
The Sun exclusively revealed how the presenter ended her engagement to Andrew over claims he is "full of lies".
Caroline started dating Apprentice flop Andrew, 27, in January before announcing they were due to marry just three months later.
However, after Andrew shared news of their split on social media, a source close to the Love Island host said: "Caroline is so sad about what has happened.
"She’s disappointed that Andrew has decided to make this public at this stage. She had hoped to deal with this privately.
"At this point she feels like he has used her so much, and that he’s full of lies."
In a statement released to The Sun, Caroline confirmed: “I’m sad to announce that Andrew and I have decided to part ways. Unfortunately it was not to be.
"I wish him all the best. At least there’s a Villa waiting for me. It’s back to the ol’ grafting.”
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