diff --git a/packages/core/src/components/item-divider/item-divider.tsx b/packages/core/src/components/item-divider/item-divider.tsx
index e8c19301f5..f0550daf7e 100644
--- a/packages/core/src/components/item-divider/item-divider.tsx
+++ b/packages/core/src/components/item-divider/item-divider.tsx
@@ -8,7 +8,6 @@ import { Component } from '@stencil/core';
     md: 'item-divider.md.scss',
     wp: 'item-divider.wp.scss'
   },
-  shadow: false,
   host: {
     theme: 'item item-divider'
   }
diff --git a/packages/core/src/components/radio/radio-group.tsx b/packages/core/src/components/radio/radio-group.tsx
index b492d34f51..22cd38acb7 100644
--- a/packages/core/src/components/radio/radio-group.tsx
+++ b/packages/core/src/components/radio/radio-group.tsx
@@ -110,8 +110,19 @@ export class RadioGroup {
     }
   }
 
+  @Listen('ionRadioCheckedDidChange')
+  protected radioCheckedDidChange(ev: RadioEvent) {
+    const radio = ev.detail.radio;
+
+    // TODO shouldn't be able to set radio checked to false
+    // if allowEmptySelection is false
+    if (radio.checked && this.value !== radio.value) {
+      this.value = radio.checked ? radio.value : '';
+    }
+  }
+
   @Listen('ionRadioDidToggle')
-  protected radioToggle(ev: RadioEvent) {
+  protected radioDidToggle(ev: RadioEvent) {
     const radio = ev.detail.radio;
 
     // If the group does not allow empty selection then checked
diff --git a/packages/core/src/components/radio/radio.tsx b/packages/core/src/components/radio/radio.tsx
index 08338a70fd..e57d2da094 100644
--- a/packages/core/src/components/radio/radio.tsx
+++ b/packages/core/src/components/radio/radio.tsx
@@ -76,6 +76,11 @@ export class Radio {
    */
   @Event() ionRadioDidToggle: EventEmitter;
 
+  /**
+   * @output {EventEmitter} Emitted when the radio checked property is changed.
+   */
+  @Event() ionRadioCheckedDidChange: EventEmitter;
+
   /**
    * @output {EventEmitter} Emitted when the styles of the radio change.
    */
@@ -111,6 +116,7 @@ export class Radio {
 
   @PropDidChange('checked')
   checkedChanged(val: boolean) {
+    this.ionRadioCheckedDidChange.emit({ radio: this });
     this.ionSelect.emit({ checked: val });
     this.emitStyle();
   }
diff --git a/packages/core/src/components/radio/test/basic.html b/packages/core/src/components/radio/test/basic.html
index 5256c00171..e4f9c14b28 100644
--- a/packages/core/src/components/radio/test/basic.html
+++ b/packages/core/src/components/radio/test/basic.html
@@ -14,11 +14,11 @@
       </ion-toolbar>
     </ion-header>
     <ion-content class="radio-test outer-content">
-      <ion-radio-group id="fruitRadio">
-        <ion-list>
-          <ion-list-header>
-            Fruits (Group w/ values)
-          </ion-list-header>
+      <ion-list>
+        <ion-radio-group id="fruitRadio">
+          <ion-item-divider>
+            <ion-label>Fruits (Group w/ values)</ion-label>
+          </ion-item-divider>
           <ion-item>
             <ion-label>Apple</ion-label>
             <ion-radio slot="start" value="apple"></ion-radio>
@@ -33,36 +33,27 @@
             <ion-label>Cherry</ion-label>
             <ion-radio slot="start" color="danger" value="cherry"></ion-radio>
           </ion-item>
-        </ion-list>
-      </ion-radio-group>
+        </ion-radio-group>
 
-      <ion-radio-group id="pizzaRadio">
-        <ion-list>
-          <ion-list-header>
-            Extra Pizza Topping (Group w/ no values)
-          </ion-list-header>
+        <ion-radio-group id="pizzaRadio">
+          <ion-item-divider>
+            <ion-label>Extra Pizza Topping (Group w/ no values)</ion-label>
+          </ion-item-divider>
           <ion-item>
             <ion-label>Pepperoni</ion-label>
             <ion-radio slot="end" name="pepperoni" checked></ion-radio>
           </ion-item>
 
-          <ion-item>
-            <ion-label>Pineapple</ion-label>
-            <ion-radio slot="end" name="pineapple"></ion-radio>
-          </ion-item>
-
           <ion-item>
             <ion-label>Sausage</ion-label>
             <ion-radio slot="end" color="danger" name="sausage"></ion-radio>
           </ion-item>
-        </ion-list>
-      </ion-radio-group>
+        </ion-radio-group>
 
-      <ion-radio-group id="veggiesRadio" allow-empty-selection>
-        <ion-list>
-          <ion-list-header>
-            Veggies (Group w/ allow empty)
-          </ion-list-header>
+        <ion-radio-group id="veggiesRadio" allow-empty-selection>
+          <ion-item-divider>
+            <ion-label>Veggies (Group w/ allow empty)</ion-label>
+          </ion-item-divider>
           <ion-item>
             <ion-label>Carrot</ion-label>
             <ion-radio slot="end" value="carrot"></ion-radio>
@@ -77,14 +68,14 @@
             <ion-label>Broccoli</ion-label>
             <ion-radio slot="end" color="danger" value="broccoli" checked></ion-radio>
           </ion-item>
-        </ion-list>
-      </ion-radio-group>
+        </ion-radio-group>
 
-      <p aria-hidden="true" text-center>
-        <ion-button onClick="toggleBoolean('grapeChecked', 'checked')" outline small>Grape Checked</ion-button>
-        <ion-button onClick="toggleBoolean('grapeChecked', 'disabled')" outline small>Grape Disabled</ion-button>
-        <ion-button onClick="printRadioValues()" outline small>Print Values</ion-button>
-      </p>
+        <ion-item>
+            <ion-button onClick="toggleBoolean('grapeChecked', 'checked')" outline small>Grape Checked</ion-button>
+            <ion-button onClick="toggleBoolean('grapeChecked', 'disabled')" outline small>Grape Disabled</ion-button>
+            <ion-button onClick="printRadioValues()" outline small>Print Values</ion-button>
+        </ion-item>
+      </ion-list>
 
       <pre id="valuesCode"></pre>
 
@@ -164,13 +155,11 @@
       }
 
       function toggleBoolean(id, prop) {
-        console.log('toggleBoolean', id);
         var ele = document.getElementById(id);
-        console.log('toggleBoolean', ele);
 
         var isTrue = ele[prop] ? false : true;
         ele[prop] = isTrue;
-        console.log('in toggleBoolean, setting', prop, 'to', isTrue);
+        console.debug('in toggleBoolean, setting', prop, 'to', isTrue);
       }
     </script>
 
@@ -179,6 +168,7 @@
         background: #f6f6f6;
         border: 1px solid #ddd;
         padding: 15px 10px;
+        margin-top: -20px;
       }
     </style>
 
diff --git a/packages/ionic-angular/BREAKING.md b/packages/ionic-angular/BREAKING.md
index 24917fcc49..a4765e6882 100644
--- a/packages/ionic-angular/BREAKING.md
+++ b/packages/ionic-angular/BREAKING.md
@@ -274,7 +274,7 @@ Item should now be written as an `<ion-item>` element. Ionic will determine when
 
 ### Label Required
 
-Previously an `ion-label` would automatically get added to an `ion-item` if one wasn't provided. Now an `ion-label` should always be added if the item is used to display text.
+Previously an `ion-label` would automatically get added to an `ion-item`, `ion-item-divider` and `ion-list-header` if one wasn't provided. Now an `ion-label` should always be added if the component is used to display text.
 
 ```html
 <ion-item>