When you’re young, rich and famous, and seemingly have the world at your fingertips, why on earth would you pick an outfit that makes you look like an extra from the Muppets? Unfortunately for Demi Lovato, she did just that — but thankfully, other celebs picked up her slack and stepped up with some jaw-dropping looks.

Elizabeth Banks

It’s a bird! It’s a plane! It’s . . . Elizabeth Banks in a gorgeous caped Elie Saab gown, swooping down to the Venice Film Festival red carpet to save the day at the premiere of “Beasts of No Nation.” Bow down to the stylish superhero.

Dakota Johnson

When all else fails, just wear something that makes you look practically naked. Johnson’s pale pink Prada gown is simple yet sultry and clings to her frame in all the right places at the premiere of her latest flick, “Black Mass,” at the Venice Film Festival.

Kate Bosworth

Now this is how you work embellishments. Kate Bosworth’s fall look — that actually hails from the Alexander McQueen resort 2016 collection — is littered with small details that look deliberate and polished, not tacky and overworked, as she arrives at “Live! With Kelly and Michael” in NYC.

Jourdan Dunn

The statuesque model — who appears to have been born sans rib cage — stuns in a sparkly Sonia Rykiel gown at the GQ Men of the Year Awards at the Royal Opera House in London.

Demi Lovato

Is that a Powerpuff Girl? Nope, just Demi Lovato in a blue Moschino top that manages all at once to be puffy, cropped and completely tacky — not to mention the fact that it comes with a matching skirt.

Alessandra Ambrosio

The lingerie model must have confused the Venice Film Festival red carpet with her usual Victoria’s Secret fashion show runway, because this Philosophy dress at the premiere of “Everest” looks more like lingerie than haute couture.

Lorde

If we had to pick one celebrity who would steer clear of the never-ending sheer trend, we would’ve put money on Lorde. Unfortunately, the New Zealand-born singer opts to implement the style with rainbow stripes in this Mary Katrantzou gown at a Republic Records party in West Hollywood, Calif.

Alice Eve

This Marni dress — including midi-length skirt, loose sleeves and bold colorblocking — is a mess on its own, but the “Before We Go” actress does no favors to the look by pairing it with a studded clutch and strappy black heels at the film’s LA premiere.

Talk about going from bad to fab! The “Game of Thrones” actress is straight out of the Macy’s junior department in an Oscar de la Renta mini embellished with flower details at the GQ Men of the Year Awards Tuesday night, but she redeems herself the next day in a feminine Erdem floral gown at the brand’s flagship store opening in London.