Three lucky ladies in Singapore got to go on a date with US singer-songwriter David Choi recently.According to an article in The New Paper, blogger Estelle Kiora and students Fenny Ng and Ivy Toh won the contest organised by Hot FM91.3, which required contestants to tweet a 15-second video of themselves saying why they should be picked as Choi's date.The Los Angeles-based YouTube star, who is single, was in town for this month's Digital & Music Matters 2013 conference.On Monday, the foursome, plus Hot FM DJ Charmaine Yee, went to Ku De Ta at Marina Bay Sands.This is the first time Choi has been on a blind date and it left him with a good impression of local girls.Choi, who was chatty and friendly during the 45-minute date, asked the three women questions about their occupations, and what they usually do in their free time.He took the initiative to get the menu and asked the women to order some drinks, setting a light-hearted mood from the start.Choi also told funny stories about the weird presents he has received from fans, including underwear and flavoured condoms, causing his dates to break into laughter.The 27-year-old said: "I enjoyed myself. This is a good way to meet new people and meet my fans. It seems cool."Singaporean girls are pretty conservative, which is not a bad, thing. I like the fact that they all seem to be nice. I haven't met anyone who isn't polite."Choi became an overnight online sensation in 2006 when his humorous track YouTube (A Love Song) was uploaded and received an overwhelming response from netizens.