Across
Praising organisation of Lady Gaga’s ultimate tour (9)
I haven't cracked this one yet — but Fifteensquared have:
anagram/"organisation" of (Lady a tour)* with the a from "Gag a 's ultimate"
Some Liverpool girls going back home up north (5)
Snack at Subway including Japanese dish (5)
Rock cover generates complaint for Young Ones (6,3)
Celebrated beauty releasing hard rock song by the 2s (7)
Win on board following heart from Madison Keys? (7)
I haven't cracked this one yet — but Fifteensquared have:
LAND=to gain e.g. 'land a contract'="Win", inside SS (steamship) i.e. "on board"; following the centre/heart of [Mad]-I-[son]
Shell trace missing filling station (5)
I haven't cracked this one yet — but Fifteensquared have:
definition: an animal's hard shell T-[rac]-E missing its filler/inner letters; plus STA (station)
Rook reflected in binoculars (3)
Politician about to get into dope (5)
Hide excitement about ending of Grease (7)
I haven't cracked this one yet — but Fifteensquared have:
definition as in animal hide LATHER="excitement" around [Greas]-E
Billionaire invested in revolutionary American plant (7)
Contribute to unlimited grant for artist (9)
Big star has change of heart in The Birds (5)
I haven't cracked this one yet — but Fifteensquared have:
Tom HA N KS starred in the film Big [wiki] the centre letter/"heart" changes from N to W
Technology used in the Emirates enthralling current Conservative minister (5)
I haven't cracked this one yet — but Fifteensquared have:
VAR=Video Assistant Referee=technology used in the Emirates (name of Arsenal's football stadium), around both of: I=symbol for electrical "current" and C (Conservative)
Confronted viewer and shouted to the audience (9)
Down
27d
Champion team is behind (8)
Swimmer raced naked to go under time (6)
I haven't cracked this one yet — but Fifteensquared have:
[h]-URTLE-[d]="raced" naked with its outer letter removed; after T (time)
Healer with abrupt disposition over procedure at hospital (10)
Little tablet you got me (6)
Eddy is one at orgy in Barking (8)
I haven't cracked this one yet — but Fifteensquared have:
anagram/"Barking" (at orgy in)*
Bangladesh’s opener with sick note (4)
Soldier entertained by dream girl in resort (8)
Food concession outside university (4)
Old troll regularly getting acclaim (5)
A2 had George Lucas initially confused (10)
I haven't cracked this one yet — but Fifteensquared have:
definition: A2 becomes A 2, or 'a 2dn', or 'a turtle', as in a loggerhead sea turtle anagram/"Confused" of (had George L )* with L from " L ucas initially"
Past wrong supported by church (5)
New snack: crackers in S-shaped tube (4,4)
I haven't cracked this one yet — but Fifteensquared have:
definition: a swan neck flask, used for laboratory work anagram/"crackers" of (New snack)*
Strange case cracked by examination in part of the Pacific (5,3)
I haven't cracked this one yet — but Fifteensquared have:
anagram/"Strange" of (Case)*, around ORAL=type of "examination"
2-wheeled vehicle failing to start (6)
I haven't cracked this one yet — but Fifteensquared have:
definition: 2 as in 2dn, a cooter is a type of TURTLE [s]-COOTER="wheeled vehicle", without its starting letter
Writer that runs from Ipswich to Felixstowe (6)
Winger at odds with 26 (4)
I haven't cracked this one yet — but Fifteensquared have:
reference to 'hawks' and 'doves' – people with more or less aggressive views on e.g. foreign or monetary policy
Act 5? (4)
See 1
Type letters or click words in the clue