It's been reported that actress Kitagawa Keiko (28) and singer DAIGO (36) are in a serious relationship.�According to sources, the two have been dating since spring.�

The two met when DAIGO guest starred in the 1st episode of�TBS' drama 'LADY ~Saigo no Hanzai Profile~' in 2011. While they kept in contact as friends, they had not seen each other in awhile until this January when the two co-starred in a variety TV program.

Since then, the two have gone out to several dinners with mutual friends, eventually making their relationship official in spring. As a couple, they've�gone out on many dates such as dinners and concerts.�Some sources say that they even wear couple rings.�

Kitagawa placed first in Oricon's "ideal faces chosen by women ranking" two years in a row. She's starred in various dramas, and have recently started filming for the 2nd 'HERO' film scheduled to open in theaters next summer.�

As for DAIGO, he's currently a regular guest on TBS' news program 'HIRUOBI!'. Regarding love and marriage, he's previously stated, "A fortuneteller told me that I would get married in my late-thirties, so at the earliest, I want to get married in my late-thirties. When I fall in love, I am unable to concentrate on work, so I want to�focus on my work right now."�

Sources: Sponichi Annex, Sports Hochi
Thanks to�Karen Pang for the tip!