There was a time when Windows Phone 7 users could only look on as WP8-using peers Like status updates on their newer and shinier Facebook app. Not anymore. An update to the Beta version is now ready for download, bringing to the table a user interface similar to the WP8 version that meshes well with the platform's aesthetics. Those who've been waiting for the update forever can hit the source link below -- it's available for both platforms, so WP8-toting folks can also join the party.
Microsoft Windows Phone 7.5
Microsoft Windows Phone 8