LL is quite unsustainable really only having something like 500 calories a day.
I love PQ, Birds of a Feather was one of my favourite shows and I saw them live last year. I do think PQ suits being abit bigger better. In the first 2 series of BOAF she was a 16/18 (She said this in 1 episode I think) and she looked really well.
I did think she looked better a bit bigger she didnt look well being as thin as she went to , but she did have to lose weight for health reasons including a hip replacement due to osteoarthritis