When doing some research, i came across something regarding Allison Mack and a charity organisation called "Kids with a cause"

According to this site she,

"Devotes time to Kids with a Cause, a charity for underprivileged youngsters."

https://www.microsoft.com/en-gb/store/contributor/allison-mack/42656500-0200-11db-89ca-0019b92a3933?activetab=pivot:tabfacts

And also this, she made an appearance at Hilary Duff's 16th birthday party. Also mentioning the kids charity organisation.

http://tvmegasite.net/prime/shows/smallville/newsarchives/2003-09-10.shtml

"September 4, 2003

Allison at Hillary Duff's Birthday Bash! The Toronto Star has reported that Allison Mack (Chloe Sullivan) will be making an appearance at singer/actress Hilary Duff’s 16th Birthday celebration in Toronto on Sunday, September 7th, 2003. Hilary’s Birthday will consist of two events held at the Fairmont Royal York Hotel in Downtown Ontario promoting the charity “Kids With A Cause”: “High Tea With Hilary” and “Celebrity Charity Challenge.”

Could be nothing, or its another lead ;-)