Got some of these already - all help gratefully received - all answers are Christmas-related.
1 Be Quiet, Sir Cliff (6,5)
2 Seasonal ship's diary (4,3)
3 Effeminate pastries (5,4)
4 Roman 4 at it in New York (8)
5 Barmy! (8)
6 Tiny: George, Edward and Henry (2,5,5)
7 80's icons oratory (6,6)
8 Chocolate and lace place comes forth from the ground (7,7)
9 Hip-hop genre broadsheet (8,5)
10 Julian Clary stops traffic! (5,6)
11 Moaning donkey in past tense dropped L plate (6,4)
12 Incorrectly spelt Japanese wrestler in repose! (7)
13 Frozen water sphere (4,4)
14 Barbie perhaps, in unfinished diamond (7)
15 Cooking vessel going for silent act! (9)
16 Seasonal patriarch (6, 9)
17 Little Elizabeth, the French turn-up! (9)
18 Sweet walking aids (5,5)
19 Road of substance! (7,6)
20 Preserved tear-jerkers (7,6)