![Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2013/09/01/article-2408484-1B8FB42C000005DC-79_634x731.jpg)
Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online
![Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2013/09/01/article-2408484-1B8FB7CC000005DC-366_306x609.jpg)
Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online
![Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2013/09/01/article-2408484-1B8FB3F8000005DC-795_634x601.jpg)
Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online
![Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2013/09/01/article-2408484-1B8FB671000005DC-249_306x609.jpg)
Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online
![Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online Make-up free Alyson Hannigan, 39, bares super slim bikini body while on family vacation in Catalina Island | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2013/09/01/article-2408484-1B8FB590000005DC-378_634x929.jpg)