gistfile1.php

<?php
function tgm_beauty_review_layout() {
	global $amm_core;
	global $wp_query;
	$paged = ( get_query_var('page') ) ? get_query_var( 'page' ) : 1;
	$wp_query = new WP_Query(
		array( 
			'paged'			=> $paged,
			'post_status' 		=> 'publish', 
			'posts_per_page' 	=> 5, 
			'post_type' 		=> 'reviews', 
			'meta_query' 		=> array(
				array(
					'key' 		=> 'review_type',
					'value'		=> 'treatment'
					)
			),
		)
	);
	
	if( have_posts() ) 
	{
		while( have_posts() ) : the_post();
                    // Do stuff
		endwhile;
	        wp_pagenavi();
		echo '</div>';
	}
	else
	{
		echo '<p>There are no reviews.</p>';
	}
	wp_reset_query();
}