“Merching” is when a celeb is paid to wear clothing or accessories.
https://www.vanityfair.com/hollywood/2014/03/hollywood-fashion-stylists-rachel-zoe-leslie-fremar
“Yatching” is when a low-tier celeb is paid to be “eye candy” or “companionship” at an event.
http://www.crazydaysandnights.net/2016/08/today-blind-items-i-worked-on-yacht.html
http://www.crazydaysandnights.net/2016/08/today-blind-items-i-worked-on-yacht_2.html

