- (void)addContactButtonTapped
{
    static dispatch_once_t once;
    dispatch_once(&once, ^{
        self.pickRecipientVC = [PickRecipientViewController new];
        self.pickRecipientVC.delegate = self;
        self.pickRecipientNC = [[UINavigationController alloc] initWithRootViewController:self.pickRecipientVC];
    });

    [self presentViewController:self.pickRecipientNC
                       animated:YES
                     completion:nil];
}