![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/scaled/2013/09/01/article-2408484-1B91F13B000005DC-224_308x185.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-2408484-1B8FB4C6000005DC-429_634x616.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-2408484-1B8FB2CC000005DC-2_634x599.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)
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)