What is the last name of the person Stern compared to Marilyn?  Answer the above question based on the context below:  Minogue's efforts to be taken seriously as a recording artist were initially hindered by the perception that she had not "paid her dues" and was no more than a manufactured pop star exploiting the image she had created during her stint on Neighbours. Minogue acknowledged this viewpoint, saying, "If you're part of a record company, I think to a degree it's fair to say that you're a manufactured product. You're a product and you're selling a product. It doesn't mean that you're not talented and that you don't make creative and business decisions about what you will and won't do and where you want to go."In 1993, Baz Luhrmann introduced Minogue to photographer Bert Stern, notable for his work with Marilyn Monroe. Stern photographed her in Los Angeles and, comparing her to Monroe, commented that Minogue had a similar mix of vulnerability and eroticism. Throughout her career, Minogue has chosen photographers who attempt to create a new "look" for her, and the resulting photographs have appeared in a variety of magazines, from the cutting edge The Face to the more traditionally sophisticated Vogue and Vanity Fair, making the Minogue face and name known to a broad range of people. Stylist William Baker has suggested that this is part of the reason she entered mainstream pop culture in Europe more successfully than many other pop singers who concentrate solely on selling records.By 2000, Minogue was considered to have achieved a degree of musical credibility for having maintained her career longer than her critics had expected. Her progression from the wholesome "girl next door" to a more sophisticated performer with a flirtatious and playful persona attracted new fans. Her "Spinning Around" video led to some media outlets referring to her as "SexKylie", and sex became a stronger element in her subsequent videos. William Baker described her status as a sex symbol as a "double edged sword", observing that "we always attempted to use her sex appeal as an enhancement of her music and to sell a record. But now it has...
A:
Minogue