For what it's worth, you can see the bellybuttons (and a lot more :-X) of the actresses I mentioned in the second part of my post in the following places:
Bryce Dallas Howard: "Manderlay"
Emily Mortimer: "Lovely and Amazing"
Emily Watson: "Breaking the Waves"
Kat Dennings: her topless selfies that were leaked/hacked from her phone a few years back (just google 'kat dennings topless pics')
Laura Linney: "Maze"
Romola Garai: "I Capture the Castle"
And a few more of which I just thought:
Rachel Griffiths: "Among Giants"
Sean Young: "Love Crimes"
And just to further enlighten you, Sodo ;):
-Saoirse Ronan is a young Irish actress who's been in "The Grand Budapest Hotel," "The Host," "Hanna," "The Lovely Bones," and "Atonement"
-Michelle Dockery is on *Downton Abbey*
-Emily Deschanel is the title character on *Bones* (and is Zooey's older sister)
-Miranda Lambert is a 'country' singer ('redneck pop,' more accurately :P) in the same vein as Carrie Underwood
-Lauren Ambrose was the redhead on *Six Feet Under*
-Ellie Kemper played Erin on *The Office* (U.S.), and was also in "Bridesmaids"
-Bella Heathcote is a young Australian actress who played Johnny Depp's lover in "Dark Shadows"
-Sara Bereilles is a singer in the same vein as Sarah McLachlan and Colbie Caillat
