Index: src/wp-admin/css/themes.css
===================================================================
--- src/wp-admin/css/themes.css	(revision 34673)
+++ src/wp-admin/css/themes.css	(working copy)
@@ -1154,57 +1154,23 @@
 	}
 }
 
-.theme-details .star-rating {
-	margin: 15px 0 0;
+.theme-details .theme-rating {
+	line-height: 23px;
 }
 
-.theme-details .star-rating span:before {
-	color: #ffb900;
-	content: "\f154";
-	display: inline-block;
-	-webkit-font-smoothing: antialiased;
-	font: normal 20px/1 dashicons;
-	vertical-align: top;
+.theme-details .star-rating {
+	display: inline;
 }
 
-/* Half stars */
-.star-rating.rating-10 span.one:before,
-.star-rating.rating-30 span.two:before,
-.star-rating.rating-50 span.three:before,
-.star-rating.rating-70 span.four:before,
-.star-rating.rating-90 span.five:before {
-	content: "\f459";
+.theme-details .num-ratings,
+.theme-details .no-rating {
+	font-size: 11px;
+	color: #999;
 }
 
-/* Full stars */
-.star-rating.rating-20 span.one:before,
-.star-rating.rating-30 span.one:before,
-.star-rating.rating-40 span.one:before,
-.star-rating.rating-40 span.two:before,
-.star-rating.rating-50 span.one:before,
-.star-rating.rating-50 span.two:before,
-.star-rating.rating-60 span.one:before,
-.star-rating.rating-60 span.two:before,
-.star-rating.rating-60 span.three:before,
-.star-rating.rating-70 span.one:before,
-.star-rating.rating-70 span.two:before,
-.star-rating.rating-70 span.three:before,
-.star-rating.rating-80 span.one:before,
-.star-rating.rating-80 span.two:before,
-.star-rating.rating-80 span.three:before,
-.star-rating.rating-80 span.four:before,
-.star-rating.rating-90 span.one:before,
-.star-rating.rating-90 span.two:before,
-.star-rating.rating-90 span.three:before,
-.star-rating.rating-90 span.four:before,
-.star-rating.rating-100 > span:before {
-	content: "\f155";
-}
-
-.theme-details .star-rating .ratings {
+.theme-details .no-rating {
 	display: block;
 	line-height: 20px;
-	color: #999;
 }
 
 /*------------------------------------------------------------------------------
@@ -1628,7 +1594,7 @@
 }
 
 .install-theme-info .theme-screenshot {
-	margin-top: 15px;
+	margin: 15px 0;
 	width: 258px;
 	border: 1px solid #ccc;
 }
Index: src/wp-admin/includes/ajax-actions.php
===================================================================
--- src/wp-admin/includes/ajax-actions.php	(revision 34673)
+++ src/wp-admin/includes/ajax-actions.php	(working copy)
@@ -2797,7 +2797,8 @@
 		$theme->author      = wp_kses( $theme->author, $themes_allowedtags );
 		$theme->version     = wp_kses( $theme->version, $themes_allowedtags );
 		$theme->description = wp_kses( $theme->description, $themes_allowedtags );
-		$theme->num_ratings = sprintf( _n( '(based on %s rating)', '(based on %s ratings)', $theme->num_ratings ), number_format_i18n( $theme->num_ratings ) );
+		$theme->stars       = wp_star_rating( array( 'rating' => $theme->rating, 'type' => 'percent', 'number' => $theme->num_ratings, 'echo' => false ) );
+		$theme->num_ratings = number_format_i18n( $theme->num_ratings );
 		$theme->preview_url = set_url_scheme( $theme->preview_url );
 	}
 
Index: src/wp-admin/includes/template-functions.php
===================================================================
--- src/wp-admin/includes/template-functions.php	(revision 34673)
+++ src/wp-admin/includes/template-functions.php	(working copy)
@@ -1949,6 +1949,8 @@
  * number of ratings may also be displayed by passing the $number parameter.
  *
  * @since 3.8.0
+ * @since 4.4.0 Introduced the `echo` parameter.
+ *
  * @param array $args {
  *     Optional. Array of star ratings arguments.
  *
@@ -1957,13 +1959,16 @@
  *     @type string $type   Format that the $rating is in. Valid values are 'rating' (default),
  *                          or, 'percent'. Default 'rating'.
  *     @type int    $number The number of ratings that makes up this rating. Default 0.
+ *     @type bool   $echo   Whether to echo the generated markup. False to return the markup instead
+ *                          of echoing it. Default true.
  * }
  */
 function wp_star_rating( $args = array() ) {
 	$defaults = array(
 		'rating' => 0,
-		'type' => 'rating',
+		'type'   => 'rating',
 		'number' => 0,
+		'echo'   => true,
 	);
 	$r = wp_parse_args( $args, $defaults );
 
@@ -1989,12 +1994,18 @@
 		$title = sprintf( __( '%s rating' ), number_format_i18n( $rating, 1 ) );
 	}
 
-	echo '<div class="star-rating" title="' . esc_attr( $title ) . '">';
-	echo '<span class="screen-reader-text">' . $title . '</span>';
-	echo str_repeat( '<div class="star star-full"></div>', $full_stars );
-	echo str_repeat( '<div class="star star-half"></div>', $half_stars );
-	echo str_repeat( '<div class="star star-empty"></div>', $empty_stars);
-	echo '</div>';
+	$output = '<div class="star-rating" title="' . esc_attr( $title ) . '">';
+	$output .= '<span class="screen-reader-text">' . $title . '</span>';
+	$output .= str_repeat( '<div class="star star-full"></div>', $full_stars );
+	$output .= str_repeat( '<div class="star star-half"></div>', $half_stars );
+	$output .= str_repeat( '<div class="star star-empty"></div>', $empty_stars );
+	$output .= '</div>';
+
+	if ( $r['echo'] ) {
+		echo $output;
+	}
+
+	return $output;
 }
 
 /**
Index: src/wp-admin/theme-install.php
===================================================================
--- src/wp-admin/theme-install.php	(revision 34673)
+++ src/wp-admin/theme-install.php	(working copy)
@@ -239,14 +239,12 @@
 
 				<div class="theme-details">
 					<# if ( data.rating ) { #>
-						<div class="star-rating rating-{{ Math.round( data.rating / 10 ) * 10 }}">
-							<span class="one"></span><span class="two"></span><span class="three"></span><span class="four"></span><span class="five"></span>
-							<small class="ratings">{{ data.num_ratings }}</small>
+						<div class="theme-rating">
+							{{{ data.stars }}}
+							<span class="num-ratings">({{ data.num_ratings }})</span>
 						</div>
 					<# } else { #>
-						<div class="star-rating">
-							<small class="ratings"><?php _e( 'This theme has not been rated yet.' ); ?></small>
-						</div>
+						<span class="no-rating"><?php _e( 'This theme has not been rated yet.' ); ?></span>
 					<# } #>
 					<div class="theme-version"><?php printf( __( 'Version: %s' ), '{{ data.version }}' ); ?></div>
 					<div class="theme-description">{{{ data.description }}}</div>