Resizes the height of a UILabel so that the contain appears vertically align.

UILabel+VerticalAlign.h

#import <UIKit/UIKit.h>

@interface UILabel (VerticalAlign)

- (void)alignTop;

@end

UILabel+VerticalAlign.m

#import "UILabel+VerticalAlign.h"

@implementation UILabel (VerticalAlign)

- (void)alignTop
{
    CGSize descriptionSize = [self.text sizeWithFont:self.font 
                                      constrainedToSize:self.frame.size 
                                          lineBreakMode:self.lineBreakMode];
    self.frame = CGRectMake(self.frame.origin.x, self.frame.origin.y, self.frame.size.width, descriptionSize.height);    
}
@end