Member ages
Billlie Member Ages and Birthdays
Billlie member ages and birthdays ranked oldest to youngest, from Moon Sua at age 26 to Haruna at age 20.
Average23.4years old
Oldest to youngest
| Rank | Member | Age | Birthday | Position |
|---|---|---|---|---|
| #1 | Moon SuaMember | 26 | Sep 9, 1999 | Main Rapper, Lead Vocalist |
| #2 |  SuhyeonMember | 26 | Jan 15, 2000 | Leader, Main Vocalist |
| #3 |  HaramMember | 25 | Jan 13, 2001 | Main Vocalist |
| #4 |  TsukiMember | 23 | Sep 21, 2002 | Vocalist, Dancer |
| #5 |  SheonMember | 23 | Jan 28, 2003 | Rapper, Vocalist |
| #6 |  SiyoonMember | 21 | Feb 16, 2005 | Vocalist, Dancer |
| #7 | HarunaMember | 20 | Jan 30, 2006 | Dancer, Vocalist |