"He appears to be cognizant of his surrounding and acknowledged his partner, Spencer," Boll said.
Blackwell was a noted fashion designer in the 1950s and 1960s who dressed the likes of Jane Russell and Dorothy Lamour.
However, he is best-known for his annual list of worst-dressed women. First issued in 1960, it has skewered the style sense of Hollywood celebrities, politicians and other celebs with tongue-in-cheek cruelty.
Victoria "Posh Spice" Beckham topped this year's list: "In one skinny-mini monstrosity after another, pouty Posh can really wreck-em," Blackwell snipped.
Singer Amy Winehouse and actress Mary-Kate Olsen were listed second and third.
