Here they used gates, and fire mantles as headboards.
Old style doors also make good headboards. A covered headboard is also very easy to make and cover.
For the Romantic Shabby Chic look this style "headboard" is great.
How about this picture for Romantic Shabby Chic- it looks like a screen with vintage lace used as a headboard. Look how nice the bits of silver and the vintage style corset looks to add to the style. This room looks as if you could meet your lover there....
The use of pink in the Romantic Shabby Chic Bedroom:
I love hanging out that romantic style dress in the bedroom.
What you dress your bed with is just as important as the bed it self.