Tougher than usual, I thought. Solving time: 31 mins
Notes on some clues below, happy to explain others if asked.
ACROSS
6 A PLACE IN THE SUN “An opportunity for the high life? Some page-three girls have that” Marvellous clue!
11 GIR (A S (second) O (ring)) L
16 TUCKER Tommy Tucker sang for his supper (nursery rhyme). Aust and NZ word for food.
19 CUPID “Little boy bowed” Another cracker
21 BOULDER Ref Little Boulder in US, I think
DOWN
1 LA(M)MAS Festival
3 PIN(S)CHER
18 MOREEN “Maureen”, I think