No 11875, Monday 12 Dec 2016, Vulcan

ACROSS
1   Star's new look, that which became a fashion statement (5,3) STRAW HAT {STAR}*{W HAT}
5   Circles around East river (6) GANGES {GANG{E}S}

10 Symbolic of everybody's self-importance, amusing for the most part (9) ALLEGORIC {ALL}{EGO}{RICh}
11 Not going back to Georgia, the country (5) TONGA {NOT<=}{GA}

12 Popular song with words that don't mean much (3,3) HOT AIR {HOT} {AIR}
13 For example, fall that comes after primarily one's selfish pursuit (3,4) EGO TRIP {EG}{One} {TRIP}
14 One filled with exotic fauna and flora (8) WILDLIFE [CD] (Addendum - {1+FILLED+W}* - See comments)
15 Cautious, hiding a couple of billions that's dirty (6) SHABBY {SH{A}{BB}Y}
18 Attempt to block a word extremely vulgar (6) TAWDRY {A{WorD} in {TRY}
20 Remained say, biased (8) WEIGHTED (~waited)
22 Girl's expression of surprise turned into expression of joy (7) HOSANNA {ANNA'S}{OH}<=
25 Remains a new content that's stupid (6) INSANE [T]
27 Layout provided in black and white as a rule (5) BYLAW {B}{LAY}*{W}
28 Indications gotten from scene recreated with detailed video (9) EVIDENCES {SCENE+VIDEo}*
29 Ultimate goal of friend/ally (3-3) END-ALL [T]
30 The wild animals finally assembled and made a sound (8) WHISTLED {THE+WILD+a...lS}*

DOWN
1   Street that appears after second bend (4) SWAY {S}{WAY}
2   Legal principle brought about by awful role models (4,2,3) RULE OF LAW*
3   It's perhaps what a dog does to a bird (7) WAGTAIL {WAG TAIL}

4   Curve seen around one flat structure – that which could fly (8) AIRCRAFT {A{1}RC}{RAFT}
6   Ancient town against old church (7) ANTIOCH {ANTI}{O}{CH}
7   Individual in Greece, one beyond help (5) GONER {G{ONE}R}
8   Observant woman daringly, to start with, saved a prey in trouble (5-4) SHARP-EYED {SH{A}{RP-EY}*E}{Da...y}
9   Top came off (4) ACME*
14 What cable broadcasts should be? (9) WATCHABLE* &lit
16 Pertaining to plant's smell and colour – one associated with California (9) BOTANICAL {BO}{TAN}{1}{CAL}
17 Very bad food consumed (8) DEVILISH {D{EVIL}ISH} Bad on double duty
19 Revival is critical we learn (7) RENEWAL*
21 So upset with party's leader being taken in, unites to uncover facts (7) GOSPELS {SO}*{Pa..y} in {GELS} What's the role of 'to uncover'?
23 Old is perhaps gold! (5) SOLID*
24 Sane man holding back? So be it (4) AMEN [T<=]
26 Employed by American editor (4) USED {US}{ED}

GRID