7  Celebration to some degree lacking a bit of levity (5)

 8  Many princes deposing king in effort for freedom (9)

10 Perhaps felt football club has an edge without Frenchman (6)

11 Belief that higher power exists within Area 51? (8)

12 Do I stare stupidly at object in the sky? (8)

13 Job of model to pose (4)

15 Grand coat's not very trim (7)

17 Biblical seductress causing hero to be distressed? (7)

20 Enthusiastic about celebrated singer (4)

22 Roughly before rent, declared close to bankruptcy? (8)

25 Dense yokel incurring back tax (8)

26 Southwest country's missed broadcast about organs? (6)

27 Boy on the eve of becoming someone great (9)

28 Street music band (5)

 2  Large swimmer to push on carrying weight (8)

 3  Force out former PM (gold went missing!) (7)

 4  Dish some felt better served without shells? (8)

 5  Organizes transport between towns (6)

 6  Treatment boyfriend divulges in conversation (5)

 9  Beech ordinarily provides cover for parrot (4)

14 Style icon made jeans rebellious (5,4)

16 Reaches over boiling still (8)

18 Lodges complaints about leaking gas (8)

19 Drive off in different directions, failing car test (7)

21 Popular name for fuel (6)

23 Villain's role written for one in the past (4)

24 Proverbially a crowd in that place turning about (5)