Some pop star endorsements can be pretty glamorous, so here's a set of sharp photos of artists raking it in for some designer brands, starting with Justin Timberlake kicking back for Givenchy and thinking about recording an eight-minute slow jam about getting it on in the aeroplane loos.
For Louis Vuitton, it's Keith Richards pursuing a natural high with a nice cup of Earl Grey.
Kanye West. Luggage by Louis Vuitton, waistcoat by Louie Spence.
Once more for Louis Vuitton, Pharrell Williams gets lucky with a new set of suitcases. He wants to watch out for the bear behind him, mind.
Avril Lavigne singularly fails to get pink, fluffy and girly for her own fragrance, Black Star.
Her maj has seen better days. Courtney Love for Saint Laurent.
Beyoncé for H&M, totally wiped out by that last wave.
For Saint Laurent again, Ariel Pink totally is your dad.
Turning out for Gap, Rufus Wainwright and husband Jörn Weisbrodt work up some perilous knitwear static.
Well, come on, Scarlett Johansson's occasionally a pop star. Here she is in Mango, giving us her best Tom Waits impression.
Daft Punk's Thomas Bangalter - or possibly Guy-Manuel de Homem-Christo - grins for the Yves Saint Laurent photographer.
Daft Punk's Guy-Manuel de Homem-Christo - or possibly Thomas Bangalter - hides his face behind a guitar, also for Yves Saint Laurent.
Another occasional pop star Vanessa Paradis gets caught on camera half-inching a Chanel handbag.
Don't mess. Kim Gordon models fancy knuckledusters for Saint Laurent.
If there'd been this much nudity in Gulliver's Travels we might've finished reading it. Lady Gaga gets in the buff for her Fame fragrance.
And speaking of starkers pop stars, here's Rihanna failing trading standards for her Nude fragrance.
Marilyn Manson says cheese for Saint Laurent.
Usher and Taiwanese pop star Jolin Tsai. That's double-denim, Usher.
Taylor Swift pretends she's ever been in the same room as a pair of Keds trainers.
For Absolut vodka, it's every-once-in-a-while pop star Zooey Deschanel. Seriously, that's Zooey Deschanel.
Madonna gives it the traditional Italian mamma for Dolce & Gabbana, fooling literally no one in the process.