colossus cryptic 253

Hi folks help wanted with the following please:
1a - buffet provides team with daily meals - 9 letters - ??????a?d
1d - filming celebrities who've had a meteoric rise? - 2 words - 8 & 5 - I thought it might be ?????ing stars
13a - after work, Tim sits over with cheerful people - 9 letters - looks like ??????s?s
15a - announced levy for nails 5 letters - ??????
2d - sense I have become an investigator - 9 letters - ??????i?a
3d - be deliberate! Cause bewilderment! - 6 letters - ?????e
Any help would be much appreciated.