Not ex-forces myself but I am my local RBL branch Parade Marshal and I personally would welcome any service personnel whether in 95s or No2 dress. I would prefer 2 dress but combats perfectly acceptable.
You would be warmly received and royally looked after in the bar later.
Stand tall and be proud. I went to the RBL poppy ball over here last night and was unsure to wear my minatures or not with the old black tie ensemble. Turned up and all the veterans were wearing them (so I put mine on) as one said "You earned them......."