Orchard Tower is an overprice place where you (foreigner and local alike) are set to be ripped off.
If you don't mind being ripped off or paying for overpriced and overrated services, then by all means go ahead and patronised the FL or shops there.
You can find legalised brothel in Geylang. Prices starts from SGD$50 for a 25 mins session/shot.
http://samleong.shop/forumdisplay.php?f=2